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- Genetics
Ancient DNA bucks tale of how the horse was tamed
DNA from ancient horses reveals early domestication involved plenty of stallions.
- Health & Medicine
Zika hides out in body’s hard-to-reach spots
Zika virus sticks around in the central nervous system and lymph nodes of monkeys.
- Life
How a mushroom gets its glow
For the first time, biologists have pinpointed the compound that lights up in fungal bioluminescence.
By Susan Milius - Animals
The scales of the ocellated lizard are surprisingly coordinated
The mazelike patterns of the ocellated lizard’s skin follow a set of rules from computer science.
- Archaeology
First settlers reached Americas 130,000 years ago, study claims
Mastodon site suggests first Americans arrived unexpectedly early.
By Bruce Bower - Environment
‘Fossil’ groundwater is not immune to modern-day pollution
Ancient groundwater that is thousands of years old is still susceptible to modern pollution, new research suggests.
- Health & Medicine
Faux womb keeps preemie lambs alive
A device can keep premature lambs alive for a month in womblike conditions.
- Humans
Homo naledi’s brain shows humanlike features
South African Homo species had small but humanlike brain, scientists say.
By Bruce Bower - Archaeology
Oldest evidence of patterned silk loom found in China
Chinese finds offer earliest look at game-changing weaving machine.
By Bruce Bower - Animals
Beetles have been mooching off insect colonies for millions of years
The behavior, called social parasitism, has been going on for about 100 million years.
- Astronomy
No long, twisted tail trails the solar system
The bubble that envelops the planets and other material in the solar system does not have a tail, new observations show.
- Physics
Gamma-ray evidence for dark matter weakens
Excess gamma rays are still unexplained, but they might not come from dark matter.