Health & Medicine
- Health & Medicine
Ovulation spurred by newfound semen ingredient
A common growth-boosting protein may act as a pregnancy-protecting hormone in humans.
- Chemistry
Supersmall lab-on-a-chip is superfast
Two-chamber nanowire device that quickly finds diagnostic molecules in blood could be a lifesaver.
- Health & Medicine
Brain’s hidden sewers revealed
Specialized cells host a hitherto unknown cleansing system.
- Life
Mantis shrimp flub color vision test
Unexpectedly poor results on crustacean eye exams suggest there’s another way to perceive color.
- Earth
Antibacterial agent can weaken muscle
Triclosan impairs the power of the heart and other muscles in two species and at relatively low doses.
- Life
Smell deals with deprivation differently
One odor-related brain region called the orbitofrontal cortex keeps the sense primed for resumed input during a cold.
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- Chemistry
Scaffolding props up failing hearts
Hydrogel treatment stimulates cell repair and blood vessel regrowth in pig experiments.
- Health & Medicine
Thinner isn’t always better in diabetes
Normal-weight people who develop diabetes have higher mortality than people who are overweight or obese at the disease’s onset
- Health & Medicine
Monkey brains sensitive to others’ flubs
Some of the brain’s nerve cells are programmed to light up only upon witnessing another’s error.
- Life
Rabies resistance arises in backwater thick with vampire bats
Residents of two remote Peruvian communities appear to have survived infection by the deadly virus.
- Health & Medicine
Alzheimer’s protein could help in MS
A-beta, the same molecule that has been tied to dementia when it accumulates in the brain, appears to reduce damage when introduced to the bodies of mice with symptoms of multiple sclerosis.
