News
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Earth
Small quake shakes up hydrothermal vents
Long-term, post-earthquake fluctuations in the temperature and volume of water spewing from hydrothermal vents off the coast of Washington state suggest that the fluid flow feeding such vents may be much more complex than previously thought.
By Sid Perkins -
Tech
Device ups hydrogen energy from sunlight
A solar-electric cell that stands above an acid bath on electrode legs has converted light to hydrogen fuel with unprecedented efficiency.
By Peter Weiss -
Moms and pups sniff out immune genes
Genes involved in the immune system also create individualized body odors that allow parents and offspring to recognize each other.
By John Travis -
Animals
Sexual conflict pushes species making
A novel comparison of 25 pairs of insect lineages finds that sexual conflict plays more of a role in making new species than scientists had realized.
By Susan Milius -
Health & Medicine
Blood-cell transplants slow kidney cancer
A new transplant technique that uses blood transfusions from a sibling combined with decreasing doses of immune-suppressing drugs enables some patients to fight off advanced kidney cancer.
By Nathan Seppa -
Chemistry
Old Martian questions may have new answer
Researchers simulating Martian conditions in a test tube discover a likely reason why no organic molecules have yet been found on the surface of the Red Planet.
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Monkeys May Tune In to Basic Melodies
Simple tunes prove as memorable to rhesus monkeys as they do to people.
By Bruce Bower -
Earth
Large lake floods scoured New Zealand
A volcanic region of New Zealand’s North Island experienced immense floods and severe erosion when lakes filling the craters of dormant volcanoes burst through the craters' rims and poured down the slopes.
By Sid Perkins -
Paleontology
A human migration fueled by dung?
When people made their way from Asia to the Americas, the path they took may have been covered in dung.
By Sid Perkins -
Earth
For European lakes, how clean is clean enough?
New research on lakes in Denmark suggests that agriculture has been affecting water quality there for more than 5,000 years.
By Sid Perkins -
Health & Medicine
Clot buster attached to red blood cells avoids complications
Attaching a clot-busting drug to red blood cells limits the drug's side effects, a study in animals shows.
By Nathan Seppa -
Chemistry
Chemical rings act as a minirotor
Interlocked molecular rings form new minirotors, including some in which scientists can control the rotational direction.