Humans
- Archaeology
Hobbits: Our tiny cousins
Skeletal remains of ancient human relatives found in Indonesia are challenging some long-accepted “truths” about human evolution.
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- Fossils
Old relative steps down
Ancient human ancestor climbed trees but also walked clumsily upright on the ground.
- Humans
Becoming human
Two new studies suggest that during ice ages, steep drops in temperature may have sent ancient species moving to more temperate, or mild, areas. As a result, these species would have been isolated from other populations.
- Health & Medicine
Losing control over sugar
A common pollutant and sweetener mess with important hormones.
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- Environment
‘Nonstick’ chemicals may undercut value of vaccinations
Chemicals used to make fabrics stain resistant and pans stick resistant are showing up everywhere — including in kids. One big downside: New data show they can keep vaccines from working well.
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- Microbes
Surprisingly hardy flu germs
Flu-causing viruses may live for days or even months outside the body.
- Humans
Digging into the Maya mystery
In a Central American jungle, archaeologists and volunteers uncover ruins of the once-powerful civilization.
