Most freshwater fish in southern California carry human-infecting parasites, study finds
A new study has found that more than 90% of freshwater game fish in Southern California are carrying parasites that can infect humans.
These parasites,...
Why the Amazon can’t grow back after gold mining
In the Peruvian Amazon, forests aren’t bouncing back after gold mining—not just because the soil is damaged, but because the land has lost its...
Long-awaited mystery fungus sought by LSD’s inventor discovered
A college student has just solved a decades-old scientific mystery, and her discovery could lead to future breakthroughs in medicine.
Corinne Hazel, an environmental microbiology...
How male mosquitoes hear their mates—and outsmart traps
Male mosquitoes have an impressive ability to find female mosquitoes by listening for the faint sound of their wingbeats, even in noisy swarms.
A new...
Scientists discover chimpanzees use stones to make sounds—possibly to communicate
A new five-year study has revealed that wild chimpanzees in West Africa may be using stones to communicate with one another.
This remarkable behavior, documented...
Why and how do ants walk in a perfect line
In the world of ants, order isn’t optional.
These tiny insects live in colonies with millions of others, working together as a team to forage,...
Why your teeth are sensitive—and it started 465 million years ago
If you’ve ever flinched during a cold drink or a dental cleaning, you know that our teeth can be incredibly sensitive.
That sensitivity is thanks...
Hidden cotton virus was in U.S. fields for nearly 20 years before discovery
A virus that damages cotton crops has been quietly spreading through U.S. fields for nearly two decades—without anyone noticing.
Scientists once believed the cotton leafroll...
Why squirrels are everywhere and raccoons are rare
If you've ever noticed that some animals seem to be everywhere—like squirrels—while others, like raccoons or foxes, are much harder to find, you're not...
New study reveals ice age animals’ survival secrets from 2.6 million years ago
A new study has revealed when and how animals like the woolly mammoth, musk ox, and arctic fox developed special adaptations to survive the...