Parasites

Climate change may drive as many as one in three parasite species extinct by 2070. That's very bad.

• By Jimmy Tobias

The fear of "outsiders" pushing Trump toward victory comes in part from our fear of disease.

• By Elena Gooray

Backyard chickens may be dirtier than you think.

• By Madeleine Thomas

Proteins in pollen and other allergens show up in tapeworms and mites, suggesting that allergies emerged as we evolved to fight parasite infections.

• By Nathan Collins

Backyard breeders are creating a new kind of hero honeybee—one that chomps off the legs of mites and saves the hive.

• By Susan Cosier

Is culture just a side effect of the struggle to avoid disease?

• By Ethan Watters

It's way more than just a twisted ladder.

• By Michael White