Uncategorized
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Tools tell a more complicated tale of the origin of the human genus
The first animals that could arguably be called “human” made the evolutionary scene a little less than 2 million years ago. These aren’t folks you’d mistake for modern-day Homo sapiens, or even the GEICO caveman. But they were clearly distinct from their more apelike predecessors. They had bigger brains, for one thing, and walked fully […]
- Paleontology
Acidifying oceans helped fuel mass extinction
The great die-off 250 million years ago could trace in part to hostile water conditions, a modeling study suggests.
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- Earth
Earth & Environment
The supercontinent of the future, pollutants from laundry detergent and more in this week’s news
- Health & Medicine
Obesity can turn body fat toxic
Excess blubber below the skin can trigger inflammation, possibly increasing risk of disease.
- Life
Genes & Cells
Bacterium’s DNA mostly unused, the death of Black Death and more in this week’s news.
- Physics
A lighter Higgs, but chase continues
Target narrows after LHC experiments suggest a new lower estimated mass for the elusive particle.
- Life
Woolly rhinos came down from the cold
Ice Age icons were already adapted to harsh climate, new fossils suggest.
- Humans
Oldest hand axes found
Homo erectus may have made both advanced and simple tools 1.76 million years ago.
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- Humans
Middle school scientists recognized
The first class of 30 finalists in the Broadcom MASTERS will convene in Washington, D.C., this fall to compete in new national science competition geared to younger students.
