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A Comet, Not an Asteroid, May Have Killed the Dinosaurs, Experts Propose
April 4, 2013 — In a geological moment about 66 million years ago, something killed off almost all the dinosaurs and some 70 percent of all other species living on Earth. Only those dinosaurs related to birds appear ... > full story -
Dwarf Whale Survived Well Into Ice Age
April 4, 2013 — Research detailing the fossil of a dwarf baleen whale from Northern California reveals that it avoided extinction far longer than previously ... > full story -
One Extinct Turtle Less: Turtle Species in the Seychelles Never Existed
April 4, 2013 — The turtle species Pelusios seychellensis regarded hitherto as extinct never existed. Scientists discovered this based on genetic ... > full story -
Breakthrough in Hydrogen Fuel Production Could Revolutionize Alternative Energy Market
April 3, 2013 — Researchers have discovered a way to extract large quantities of hydrogen from any plant, a breakthrough that has the potential to bring a low-cost, environmentally friendly fuel source to the ... > full story -
Climate
Environmental Policies
Environmental Science
Energy and the Environment
Energy Issues
Global Warming
Survey Shows Many Republicans Feel America Should Take Steps to Address Climate Change
April 2, 2013 — In a recent survey of Republicans and Republican-leaning Independents, a majority of respondents (62 percent) said they feel America should take steps to address climate change. More than three out ... > full story -
Diversification in Ancient Tadpole Shrimps Challenges the Term 'Living Fossil'
April 2, 2013 — The term 'living fossil' has a controversial history. For decades, scientists have argued about its usefulness as it appears to suggest that some organisms have stopped evolving. New research has now ... > full story -
Asteroids, Comets and Meteors
Near-Earth Object Impacts
Earth Science
Atmosphere
Geology
Environmental Issues
New Evidence Ancient Asteroid Caused Global Firestorm on Earth
March 27, 2013 — A new look at conditions after a Manhattan-sized asteroid slammed into a region of Mexico in the dinosaur days indicates the event could have triggered a global firestorm that would have burned every ... > full story -
New Fossil Species from a Fish-Eat-Fish World When Limbed Animals Evolved
March 27, 2013 — Scientists who famously discovered the lobe-finned fish fossil Tiktaalik roseae, a species with some of the clearest evidence of the evolutionary transition from fish to limbed animals, have ... > full story -
Tarsiers' Bulging Eyes Shed Light on Evolution of Human Vision
March 27, 2013 — After eons of wandering in the dark, primates developed highly acute, three-color vision that permitted them to shift to daytime living, a new study suggests. The findings challenge the prevailing ... > full story -
Dusting for Prints from a Fossil Fish to Understand Evolutionary Change
March 27, 2013 — In 370-million-year-old red sandstone deposits in a highway roadcut, scientists have discovered a new species of armored fish in north central Pennsylvania. Studying and describing this fish's ... > full story
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