Mouth-to-Heart Infections
Bacteria that cause gum disease can migrate to the cardiovascular system and hide there.
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Malaria Odor
The malaria parasite may make its host extra-appetizing to mosquitoes, just when the contagion risk …
Bubble Brains
In stock trading simulations, people's brains indicate whether or not they'll get out before the …
Dead Ants & Wasp Nests
Bone house wasps place dead ants in their nests to ward off predators and parasites.
Walkable Neighborhood Health
Walkable neighborhoods may lower their residents' risk of obesity and diabetes.
UV Addiction
UV light may have an opiate-like effect, leading to addiction and even withdrawal symptoms.
Antibacterial Doorknobs
Sweat disables copper's antibacterial properties, with implications for doorknobs and handles …
Fighting Counterfeit Eggs
Common cuckoos trick other birds into raising their young. But the hosts have evolved some defenses.
The King’s Spine
England's King Richard III wasn't a hunchback, as depicted by Shakespeare, but he did have …
Fish-Eating Spiders
Some spider species fish go fishing for their dinner.