A huge ice sheet appears to have melted about 120,000 years ago, when temperatures were similar to those on Earth today, according to a DNA study that mapped octopus movements.
Tag: Science (Journal)
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Why Warblers Flock to Tonier Neighborhoods
In the unequal distribution of birds and other species, ecologists are tracing the impact of bigoted urban policies adopted decades ago.
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Grass and Shrub Fires More Destructive Than Forest Fires in U.S.
Grassland and shrubland fires burn more land and destroy more homes across the United States than forest fires, a new study found.
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Humanity’s Ancestors Nearly Died Out, Genetic Study Suggests
The population crashed following climate change about 930,000 years ago, scientists concluded. Other experts aren’t convinced by the analysis.
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Ancient Fires Drove Sabertooth Cats and Other Large Mammals Extinct, Study Suggests
Fossils from La Brea Tar Pits in Southern California suggest that sabertooth cats and other large North American mammals disappeared as a result of wildfires spurred by human activity.