News
- Health & Medicine
Lungs enlist immune cells to fight infections in capillaries
Immune cells in the lungs provide a rapid counterattack to bloodstream infections, a new study in mice finds.
- Neuroscience
Nerve cell miswiring linked to depression
A gene helps nerve cell axons extend to parts of the brain to deliver serotonin, a brain chemical associated with depression.
- Climate
Ocean acidification may hamper food web’s nitrogen-fixing heroes
A new look at marine Trichodesmium microbes suggests trouble for nitrogen fixation in an acidifying ocean.
- Quantum Physics
Key Einstein principle survives quantum test
Particles in quantum superposition adhere to the equivalence principle in atomic test.
- 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.
- Archaeology
First settlers reached Americas 130,000 years ago, study claims
Mastodon site suggests first Americans arrived unexpectedly early.
- 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.
- 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.
- Particle Physics
Collider data hint at unexpected new subatomic particles
A set of particle decay measurements could be evidence for new physics.
