Uncategorized
- Animals
Centipede venom fights pain
Molecule from toxin makes mice less sensitive to pain, may work as well as morphine.
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- Life
Dangerous Digs
By properly managing a tumor cell’s microenvironment, cancer researchers are making cancer something people live with, not die from.
- Climate
Humans found guilty in climate change
International panel’s confidence increases that society is responsible for global warming.
By Beth Mole - Planetary Science
Curiosity gets the dirt on Mars
The NASA rover completes an analysis of the first soil collected from Gale Crater.
By Beth Mole - Neuroscience
An on-off switch for eating
By triggering or silencing certain brain cells, scientists can get mice to feed or stop feeding regardless of hunger.
- Life
Newfound biological clocks set by the moon
Two unrelated marine organisms have rhythms dictated by tides, lunar cycle.
- Plants
Hard-shelled seaweed survives by its loose knees
Stringy joints between calcified algae’s segments don’t break easily under repeated stresses.
By Susan Milius - Earth
Oxygen wafted into Earth’s atmosphere earlier than thought
Date pushed back to 3 billion years ago, suggesting photosynthesis had evolved by then.
- Life
Immune protein explains skin diseases’ link to infection
Molecule called IL-29 protects people with psoriasis from viruses.
- Psychology
Mental rotation gears up by age 5 for both boys and girls
Kid-friendly test suggests that the ability to visualize objects from different angles starts early.
By Bruce Bower - Health & Medicine
Dextrose rub helps newborns with low blood sugar
Massaging the sugary gel into babies’ mouths may lessen the need for intravenous infusions of glucose, a study shows.
By Nathan Seppa