Dead Gene Comes Back To Life In Humans - Researchers have discovered that a long-defunct gene was resurrected during the course of human evolution. March 12, 2009

Genetic Study Finds Treasure Trove Of New Lizards - University of Adelaide research has discovered that there are many more species of Australian lizards than previously thought, raising new questions about conservation and management of Australia's native reptiles. March 10, 2009

Bizarre Bird Behavior Predicted By Game Theory - A team of scientists, led by the University of Exeter, has used game theory to explain the bizarre behaviour of a group of ravens. Juvenile birds from a roost in North Wales have been observed adopting the unusual strategy of foraging for food in 'gangs'. March 9, 2009

Birds Move North With Climate Change - For the first time, researchers have documented a shift in breeding ranges for northerly species in North America. The study parallels findings in Europe. March 6, 2009

Engineered Viruses Combat Antibiotic Resistance - A new approach to fighting bacterial infections, developed at MIT and Boston University, could help prevent bacteria from developing antibiotic resistance and help kill those that have already become resistant. March 4, 2009

Fossilized Pregnant Fish One Of First Animals To Have Sex - A pregnant fossil fish at the Natural History Museum in London has shed light on the possible origin of sex, according to a study published today in the journal Nature by an international team including Museum scientists. February 27, 2009

Vital Climate Change Warnings Are Being Ignored - Canada's inland waters, the countless lakes and reservoirs across the country, are important "sentinels" for climate change and Ottawa and the provinces are ignoring the warnings. February 24, 2009

X-rays Used To Reveal Secrets Of Famous 'Dinobird' Fossil - About 150 million years ago, an evolutionarily hybrid creature, a dinosaur on its way to becoming a bird, died in what is now Germany, and become fossilized in limestone. February 23, 2009

Coastal Wetlands In Eastern U.S. Disappearing - While the nation as a whole gained freshwater wetlands from 1998 to 2004, a new report by NOAA and the U.S. Fish and Wildlife Service documents a continuing loss of coastal wetlands in the eastern United States. February 20, 2009

Mutant Rats Resist Warfarin - A new series of mutations have been discovered that allow rats to resist the effects of the popular poison warfarin. New research describes eighteen new genetic changes found in rats from four continents. February 18, 2009

How Deadly Fungus Protects Itself - Researchers at Albert Einstein College of Medicine of Yeshiva University have discovered how a deadly microbe evades the human immune system and causes disease. February 16, 2009

Scientists Deconstruct Cell Division - The last step of the cell cycle is the brief but spectacularly dynamic and complicated mitosis phase, which leads to the duplication of one mother cell into two daughter cells. February 12, 2009

Salamander Decline Found In Central America - The decline of amphibian populations worldwide has been documented primarily in frogs, but salamander populations also appear to have plummeted, according to a new study by University of California, Berkeley, biologists. February 11, 2009

Global Warming Threatens Antarctic Sea Life - Climate change is about to cause a major upheaval in the shallow marine waters of Antarctica. Predatory crabs are poised to return to warming Antarctic waters and disrupt the primeval marine communities. February 10, 2009

Origin Of Claws Seen In Fossil 390 Million Years Old - A missing link in the evolution of the front claw of living scorpions and horseshoe crabs was identified with the discovery of a 390 million-year-old fossil by researchers at Yale and the University of Bonn, Germany. February 9, 2009

Fighting Malaria By Changing The Environment - Modifying the environment by using everything from shovels and plows to plant-derived pesticides may be as important as mosquito nets and vaccinations in the fight against malaria, according to a computerized analysis by MIT researchers. February 6, 2009

Largest Prehistoric Snake Discovered - The largest snake the world has ever known - as long as a school bus and as heavy as a small car - ruled tropical ecosystems only 6 million years after the demise of the fearsome Tyrannosaurus rex, according to a new discovery published in the journal Nature. February 5, 2009

Ten New Amphibian Species Discovered In Colombia - Scientists have just discovered 10 amphibians believed to be new to science, including a spiky-skinned, orange-legged rain frog, three poison dart frogs and three glass frogs, so called because their transparent skin can reveal internal organs. February 4, 2009

Single Gene Lets Bacteria Jump From Host To Host - All life - plants, animals, people - depends on peaceful coexistence with a swarm of microbial life that performs vital services from helping to convert food to energy to protection from disease. February 3, 2009

Ancient Wounds Reveal Triceratops Battles - How did the dinosaur Triceratops use its three horns? A new study led by Andrew Farke, curator at the Raymond M. Alf Museum of Paleontology, located on the campus of The Webb Schools, shows that the headgear was not just for looks. January 30, 2009

New Species Hotspot In Remote Cambodian Mekong - Cantor’s Giant softshell turtle, thought to be extinct in Cambodia since 2003 has been rediscovered in a section of the Mekong River almost untouched by humans. January 27, 2009

Frogs Are Being Eaten To Extinction - The global trade in frog legs for human consumption is threatening their extinction, according to a new study by an international team including University of Adelaide researchers. January 23, 2009

New Findings On The Evolution Of Parasitism - Today, 150 years after Darwin’s epochal “On the Origin of Species,” many questions about the molecular basis of evolution are still waiting for answers. January 22, 2009

Heritability May Not Be Limited To DNA - Scientists at the Centre for Addiction and Mental Health (CAMH) have detected evidence that DNA may not be the only carrier of heritable information; a secondary molecular mechanism called epigenetics may also account for some inherited traits and diseases. January 21, 2009

New Family Of Antibacterial Agents Uncovered - As bacteria resistant to commonly used antibiotics continue to increase in number, scientists keep searching for new sources of drugs. January 20, 2009

Microscopic 'Hands' For Building Tomorrow’s Machines - In a finding straight out of science fiction, chemical and biomolecular engineers in Maryland are describing development of microscopic, chemically triggered robotic “hands” that can pick up and move small objects. January 19, 2009

Bacteria In Ice May Record Climate Change - To many people, bacteria and climate change are like chalk and cheese: the smallest creature versus one of the biggest phenomena on earth. January 15, 2009

Tiny Insect Develops Long-term Memory - If a specific butterfly anti-sex scent is coupled with a pleasant experience, then parasitic wasps are able to develop long-term memory and respond to this scent that they do not instinctively recognize. January 14, 2008

How Cheating Ants Give Themselves Away - In ant society, workers normally give up reproducing themselves to care for their queen's offspring, who are their brothers and sisters. January 13, 2009

Sea Level Rise Of One Meter Within 100 Years - New research indicates that the ocean could rise in the next 100 years to a meter higher than the current sea level – which is three times higher than predictions from the UN's Intergovernmental Panel on Climate Change, IPCC. January 12, 2009

Avian Flu Becoming More Resistant To Antiviral Drugs - A new University of Colorado at Boulder study shows the resistance of the avian flu virus to a major class of antiviral drugs is increasing through positive evolutionary selection, with researchers documenting the trend in more than 30 percent of the samples tested. January 9, 2009

Spookfish Uses Mirrors For Eyes - A remarkable new discovery shows the four-eyed spookfish to be the first vertebrate ever found to use mirrors, rather than lenses, to focus light in its eyes. January 8, 2009

Four, Three, Two, One ... Pterosaurs Have Lift Off - Pterosaurs have long suffered an identity crisis. Pop culture heedlessly - and wrongly - lumps these extinct flying lizards in with dinosaurs. January 7, 2009

Nano 'Tractor Beam' Traps DNA - Using a beam of light shunted through a tiny silicon channel, researchers have created a nanoscale trap that can stop free floating DNA molecules and nanoparticles in their tracks. January 6, 2009

Nanoparticles Used To Make 3-D DNA Nanotubes - Arizona State University researchers Hao Yan and Yan Liu imagine and assemble intricate structures on a scale almost unfathomably small. January 5, 2009

Deciphering Dolphin Language With Picture Words - In an important breakthrough in deciphering dolphin language, researchers in Great Britain and the United States have imaged the first high definition imprints that dolphin sounds make in water. January 1, 2009

Nanotechnology May Be Used For Food Safety - A microscopic biological sensor that detects Salmonella bacteria in lab tests has been developed by an Agricultural Research Service (ARS) scientist and university colleagues. December 31, 2008

Microbiologist Tests Safety Of Spiked Eggnog - With one in every 20,000 eggs contaminated with Salmonella bacteria, drinking homemade eggnog can be something of a gamble. December 30, 2008

Just A Little Squeeze Lets Proteins Assess DNA - To find its target, all a protein needs to do is give quick squeezes as it moves along the DNA strand, suggests new research from The University of Arizona in Tucson. December 29, 2008

Unusual Microbial Ropes Grow Slowly In Cave Lake - Deep inside the Frasassi cave system in Italy and more than 1,600 feet below the Earth's surface, divers found filamentous ropes of microbes growing in the cold water, according to a team of Penn State researchers. December 25, 2008

Life On Earth Got Bigger In 2-million-fold Leaps - Extremes are exciting. Does anyone really think dinosaurs would capture our imagination the way they do if they hadn't been so huge? December 24, 2008

Modified Plants May Yield More Biofuel - Plants, genetically modified to ease the breaking down of their woody material, could be the key to a cheaper and greener way of making ethanol. December 23, 2008

Bacteria Tricked Into Killing Themselves To Survive - Like firemen fighting fire with fire, researchers at the University of Illinois and the University of Massachusetts at Amherst have found a way to fool a bacteria’s evolutionary machinery into programming its own death. December 22, 2008

New Species Of Prehistoric Giants Discovered In The Sahara - Dinosaur hunters on a month-long expedition to the Sahara desert have returned home in time for Christmas with more than they ever dreamed of finding. December 18, 2008

Ocean Fish Farming Harms Wild Fish - Farming of fish in ocean cages is fundamentally harmful to wild fish, according to an essay in this week's Conservation Biology. December 17, 2008

Tiny Ecosystem May Shed Light On Climate Change - MIT researchers have created a microbial ecosystem smaller than a stick of gum that sheds new light on the plankton-eat-plankton world at the bottom of the aquatic food chain. December 16, 2008

Biologist Modifies Theory Of Cells' Engines - Biologists have known for decades that cells use tiny molecular motors to move chromosomes, mitochondria, and many other organelles within the cell, but no one has been able to understand what steers these engines to their destinations. December 15, 2008

Climate Change Alters Ocean Chemistry - Researchers have discovered that the ocean's chemical makeup is less stable and more greatly affected by climate change than previously believed. December 12, 2008

Spider Love: Little Guys Get Lots More - Big males outperform smaller ones in head-to-head mating contests but diminutive males make ten times better lovers because they're quicker to mature and faster on their feet, a new study of redback spiders reveals. December 10, 2008

Immune Cells Reveal Fancy Footwork - Our immune system plays an essential role in protecting us from diseases, but how does it do this exactly? Dutch biologist Suzanne van Helden discovered that before dendritic cells move to the lymph nodes they lose their sticky feet. December 8, 2008

How Tiny Cell Proteins Generate Force To Walk - A MIT researchers have shown how a cell motor protein exerts the force to move, enabling functions such as cell division. December 5, 2008

New Giant Toothless Pterosaur Species Discovered - A researcher at the University of Portsmouth has identified a new species of pterosaur, the largest of its kind to ever be found. It represents an entirely new genus of these flying reptiles that ruled the skies 115 million years ago. December 4, 2008

A Day In The Life Of An Ant - One of the most important developments in human civilisation was the practice of sustainable agriculture. But we were not the first - ants have been doing it for over 50 million years. December 2, 2008

Jurassic Turtles Could Swim - Around 164 million years ago the earliest aquatic turtles lived in lakes and lagoons on the Isle of Skye, Scotland, according to new research. November 27, 2008

Woolly-mammoth Genome Sequenced - Scientists at Penn State are leaders of a team that is the first to report the genome-wide sequence of an extinct animal, according to Webb Miller, professor of biology and of computer science and engineering and one of the project's two leaders. November 21, 2008

Mineral Kingdom Has Co-evolved With Life - Evolution isn't just for living organisms. Scientists at the Carnegie Institution have found that the mineral kingdom co-evolved with life, and that up to two thirds of the more than 4,000 known types of minerals on Earth can be directly or indirectly linked to biological activity. November 17, 2008

Innovative Surgery Provides New Lease On Life To Dogs - Only six months after undergoing a unique and innovative surgery at Michigan State University, Jake - part dog and now part machine - spends his time working out on an underwater treadmill, traversing obstacle courses and prancing around pain free. November 14, 2008

Octopus Family Tree Traced Using New Molecular Evidence - Octopuses started migrating to new ocean basins more than 30 million years ago as Antarctica cooled and large ice-sheets grew. November 13, 2008

Can We Mutate Viruses To Death? - It sounds like a science fiction movie: A killer contagion threatens the Earth, but scientists save the day with a designer drug that forces the virus to mutate itself out of existence. November 12, 2008

How Evolution Learns From Past Environments - The evolution of novel characteristics within organisms can be enhanced when environments change in a systematic manner, according to a new study by Weizmann Institute researchers. November 11, 2008

New Type Of Diesel Fuel Found In Patagonia Fungus - A team led by a Montana State University professor has found a fungus that produces a new type of diesel fuel, which they say holds great promise. November 5, 2008

Extinct Sabertooth Cats Were Social - The sabertooth cat (Smilodon fatalis), one of the most iconic extinct mammal species, was likely to be a social animal, living and hunting like lions today, according to new scientific research. November 3, 2008

New Cell Division Mechanism Discovered - A novel cell division mechanism has been discovered in a microorganism that thrives in hot acid. The finding may also result in insights into key processes in human cells, and in a better understanding of the main evolutionary lineages of life on Earth. October 30, 2008

White Rhino Born Using Frozen Sperm - A world-first: researchers announce the birth of a white rhino after artificial insemination with frozen sperm. October 27, 2008

Impacts Of Climate Change On Lakes - Climate change will have different effects on lakes in warmer and colder regions of the globe. October 24, 2008

Amphibian Diversity Decreases Chances Of Parasitic Disease - American toads who hang out with gray tree frogs reduce their chances of parasitic infection, limb deformation. October 22, 2008

Genes Hold Secret Of Survival Of Antarctic Antifreeze Fish - A genetic study of a fish that lives in the icy waters off Antarctica sheds light on the adaptations that enable it to survive in one of the harshest environments on the planet. October 20, 2008

Evolutionary Transition From Fish To Land Animals Revealed - New research has provided the first detailed look at the internal head skeleton of Tiktaalik roseae, the 375-million-year-old fossil animal that represents an important intermediate step in the evolutionary transition from fish to animals that walked on land. October 17, 2008

Why Fruits And Vegetables May Protect Against Cancer's Spread - Scientists have found a new possible explanation for why people who eat more fruit and vegetables may gain protection against the spread of cancers. October 15, 2008

Baldness Gene Discovered: 1 In 7 Men At Risk - Researchers at McGill University, King's College London and GlaxoSmithKline Inc. have identified two genetic variants in Caucasians that together produce an astounding sevenfold increase the risk of male pattern baldness. October 14, 2008

'Virgin Birth' By Shark Confirmed - Scientists have confirmed the second-ever case of a “virgin birth” in a shark, indicating once again that female sharks can reproduce without mating and raising the possibility that many female sharks have this incredible capacity. October 13, 2008

Deepest-living Fishes Caught On Camera For First Time - Scientists filming in one of the world’s deepest ocean trenches have found groups of highly sociable snailfish swarming over their bait, nearly five miles (7700 metres) beneath the surface of the Pacific Ocean. October 10, 2008

DNA Could Reveal Your Surname - Scientists at the Department of Genetics at the University of Leicester are developing techniques which may one day allow police to work out someone's surname from the DNA alone. October 9, 2008

Singing To Females Makes Male Birds' Brains Happy - The melodious singing of birds has been long appreciated by humans, and has often been thought to reflect a particularly positive emotional state of the singer. October 7, 2008

New Dinosaur Species Had Bony Frill And Horns - The fossils revealed a herd of dinosaurs that perished in a catastrophic event 72.5 million years ago. The animals are characterized by a bony frill on the back of the skull ornamented with smaller horns. October 3, 2008

Urban Black Bears 'Live Fast, Die Young' - Black bears that live around urban areas weigh more, get pregnant at a younger age, and are more likely to die violent deaths, according to a study by the Wildlife Conservation Society (WCS). October 1, 2008

Acoustic Communication In Deep-sea Fish - An international research team studying sound production in deep-sea fishes has found that cusk-eels use several sets of muscles to produce sound that plays a prominent role in male mating calls. September 30, 2008

Oldest Known Rocks On Earth Discovered - The discovery of rocks as old as 4.28 billion years pushes back age of most ancient remnant of Earth's crust by 300 million years. September 29, 2008

America's Smallest Dinosaur Uncovered - An unusual breed of dinosaur that was the size of a chicken, ran on two legs and scoured the ancient forest floor for termites is the smallest dinosaur species found in North America. September 26, 2008

Primordial Fish Had Rudimentary Fingers - Tetrapods, the first four-legged land animals, are regarded as the first organisms that had fingers and toes. September 24, 2008

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