Energy Tech Roundup
A fusion-powered nuclear reactor may be closer to realization.
Replacing your skeleton with metal, a sniff test for neurological diseases, a decline in baby boy births, how your brain puts on the brakes, and the Robin Hood inside many of us.
The science of deja vu, pollution from cities affects rainfall on mountaintops, a machine that can make almost anything, diets just don't work, and celebrities don't make great salespeople.
How supernovas make heavy elements, why teenagers have angst, some fierce arachnids get cuddly, why tanning is addictive, and the thinnest material ever made.
Life-and-death decisions from computers, video games are good and bad, seeing red hurts test scores, Dr. Tatiana on animal sex, and the link between obesity and puberty in girls.
The call of a rare bird, marijuana-like brain chemicals, the Earth without a tilt, using measles to fight cancer, and making public aquariums accessible to the blind.
Why rainbows are round (yes, round), ultraviolet light is an aphrodesiac to jumping spiders, getting rid of interior rattles in cars, senior citizens are less reliable crime eyewitnesses, and why some medical studies are more likely to get refuted.
Despite not having been washed for billions of years, nature stays relatively clean. How?
Small distractions could be big trouble, the effects of cell phone waves on our health, how nature cleans itself, eels and grouper hunt together, and squirrels and spruce trees outwit each other for seeds.
Giving blood could be good for you, backpacks are better with bungee cords, taking a census of the air's bacteria, happiness helps ward off colds and flu, genetic engineering protects against mad cow disease
Exploring the origins of life, a laser-enhanced satellite for monitoring ozone, why cannibalism is in everyone's blood, a spit-test for sleepiness, and whether identical triplets are possible.
An update to the stethoscope, why fevers may be healthy, how whales' brains are like ours, making robots from DNA, and lessons from the fat and skinny genes.
Both a sky calculator from ancient Greece and steel from the ancient Middle East used some pretty advanced technologies.
Headbanging termites, why we eat salmon before--and not after--they spawn, a "smart bomb" for dental plaque, an ancient Greek sky calculator, and how your first language affects your sense of rhythm.
The secret of a Stradivarius violin, how giraffes block a head rush, using bees for homeland security, saving seagrass, and a strange new ingredient in the interstellar soup.