News
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PaleontologyNew tyrannosaur bridges gap from medium to monstrous
Horse-sized Timurlengia euotica had a brain and ears like its bigger relative Tyrannosaurus rex, which lived millions of years later.
By Beth Geiger -
AnthropologyAncient DNA reveals who is in Spain’s ‘pit of bones’ cave
Ancient DNA shows Neandertals lived in northern Spain 430,000 years ago; the early date raises new questions about Neandertals’ origins.
By Bruce Bower -
ClimateAntarctic history suggests ice sheet ‘danger’ threshold
Carbon dioxide levels during the Antarctic ice sheet’s formation 34 million years ago suggest that Earth could soon enter “danger zone” for ice sheet’s demise.
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PlantsHow to keep seagrasses as happy as a clam
Drought can do more damage to seagrass meadows if their partnership with clams break down.
By Susan Milius -
Health & MedicineMolecules found to counter antibiotic resistance
Molecules made in a lab can foil antibiotic resistance in bacteria.
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Health & MedicineNew techniques regrow lens, cornea tissue
Preliminary stem cell discoveries may restore lenses and corneas.
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AnthropologyH. erectus cut, chewed way through evolution
A diet that included raw, sliced meat changed the face of early Homo evolution, scientists say.
By Bruce Bower -
ClimateHurricane frequency dropped during 17th century ‘Little Ice Age’
Atlantic hurricane activity fell around 75 percent when the sun dimmed from 1645 to 1715, a new analysis of shipwrecks and tree rings suggests.
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Health & MedicineMicrocephaly: Building a case against Zika
Zika virus is the prime suspect for Brazil’s recent surge in birth defects. New evidence in human cells strengthens the case, but more definitive proof could come this summer from Colombia, where thousands of pregnant women have been infected.
By Meghan Rosen -
PsychologyPsychology’s replication crisis sparks new debate
Controversy flares again about whether psychology studies survive further scrutiny.
By Bruce Bower -
AstronomyA fast radio burst’s home galaxy may not be known after all
The recently claimed host galaxy of a fast radio burst may have been signs of a snacking black hole instead, study claims.
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AstronomyRepeating fast radio bursts recorded for the first time
Until now, ephemeral blasts of radio waves from other galaxies have never repeated; this one erupted 10 times last year.