Biology
Ultrathin fuel cell uses the body’s own sugar to generate electricity
Batteries have a limit to how small they can be made, and they need to be charged. What if you could power your own medical device?
Gene editing could reverse anxiety and alcohol-use disorder
Gene editing may be a treatment for anxiety and alcoholism in adults who were exposed to binge-drinking in their adolescence.
‘Mad honey’: The rare hallucinogen from the mountains of Nepal
On the mountainsides of Nepal and Turkey, bees sometimes produce a strange and dangerous concoction: mad honey.
Joystick-operated robot could help surgeons treat stroke remotely
With a modified joystick, surgeons in one hospital may control a robotic arm at another location to safely operate on a patient.
How Robert Langer, a pioneer in delivering mRNA into the body, failed repeatedly but kept going
Langer published the first paper to show that it was possible to deliver nucleic acids like RNA and DNA to the body via tiny particles.
Inspired by kombucha tea, engineers create living materials
A symbiotic culture of specialized yeast and bacteria can generate tough materials able to perform a variety of functions.
We overwash our bodies because bad odors are uniquely disgusting
Overwashing is bad for skin health, but many people do it anyway. One reason is that our brains intimately associate stink with disgust.
Bacteria living inside tumors help cancer spread through the blood
Intracellular bacteria promote cancer metastasis by enhancing the tumor cells' resistance to mechanical stress in the bloodstream.
New $5-device allows healthy sperm cells to isolate themselves
About 10% of men are infertile, and often their sperm is to blame. This device could help separate the healthy cells from the others.
Build strength with only three seconds of weight lifting per day?
Researchers have found that a four-week program consisting of three seconds of weight lifting per day for five days a week boosts strength.