5,519 results
- Life
First chromosome made synthetically from yeast
Work with yeast marks the first time scientists have synthesized a chromosome from organisms with complex cells and represents a major step toward lab-created eukaryotic life.
- Health & Medicine
Circumcision changes penis biology
Altered mix of microbes might reduce susceptibility to viral infections.
- Life
Analog circuits boost power in living computers
New cell-based computers do division and logarithms more like a slide rule than a laptop.
- Genetics
What your earwax says about your ancestry
Both armpit and ear wax secretions are smellier in Caucasians than in Asians, thanks to a tiny genetic change that differs across ethnic groups.
- Animals
It doesn’t always take wings to fly high
Microbes, bees, termites and geese have been clocked at high altitudes, where air density and oxygen are low.
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- Microbes
Microbes help hyenas send status updates
Bacteria in the animals’ waste give off fumes that let passersby know who has been there before.
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- Life
Gut microbes may be behind weight loss after gastric bypass
Mice slim down after receiving bacteria transplanted from rodents that had the surgery.
- Life
Gut bacteria may affect cardiovascular risk
An abundance of antioxidant-producing microbes seems to keep plaques from breaking free and causing heart attacks and stroke.
- Chemistry
How urine will get us to Mars
A new recycling system turns pee into drinking water and energy, a small step toward really long-term space travel.
- Chemistry
This is what happens when you pee in the pool
Swimming pools are basically chemical toilets, but here’s why I’ll keep swimming.
