News
- Earth
Early Earth’s chlorine blown away by giant impacts
Low levels of chlorine on planet's surface have long puzzled scientists.
- Life
Mutation makes H5N1 flu lose its grip
Laboratory-added genetic change makes avian influenza unable to bind to bird cells.
- Life
Why corals do calisthenics
Pulsating motion appears to flush water to improve photosynthetic efficiency in symbiotic algae.
- Health & Medicine
Circumcision changes penis biology
Altered mix of microbes might reduce susceptibility to viral infections.
- Psychology
Disputed signs of consciousness seen in babies’ brains
Within five months of birth, infants produce a possible neural marker of being aware of what they see.
- Astronomy
Most Earthlike planets yet seen bring Kepler closer to its holy grail
Space telescope finds globes that, compared with our world, are slightly larger and orbit a smaller star.
- Life
Infants, whether mice or human, love to be carried
Being toted around calms and quiets babies of both species.
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- Health & Medicine
Bioengineered kidney transplanted into rat
Cleansed of cells and repopulated anew, bioengineered organ successfully produces urine.
- Cosmology
Dark matter detector reports hints of WIMPs
Experiment hundreds of meters underground detects three candidate signs of dark matter, though physicists are cautious about the finding.
- Humans
Group size affects racial makeup of friend groups
Larger settings seem to promote segregation, simulation finds.
- Humans
Ardi’s kind had a skull fit for a hominid
Study of reconstructed skull section puts 4.4-million-year-old species in human evolutionary family.
