Ultrasound Safety
A listener asks: Can medical ultrasound damage your ears?
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Tiny Chip Roundup
The tiniest camera in the world can record the firing of single neurons.
Happy Face Genetics
Differences in a gene influence how much time we spend looking at happy faces.
Killer Whale Microphone
An underwater microphone takes inspiration from the ears of killer whales.
Stop Smoking Texts
Encouraging text messages help smokers kick the habit.
Loudest Animal
The mating calls of an insect called the water boatman are much louder than expected given the bug’s …
Medical Roundup
New research lends clues to why a bad sunburn hurts so much.
Comfort Food Hormone
A hormone called ghrelin is a key part of how stress triggers mice to seek out fatty food.
Bat Navigation
Bats have tiny hairs on their wings that help them maneuver in complete darkness.
Appliance Roundup
Some of the world’s most forbidding environments occur right in our own homes, but microorganisms …