Farmers in the Andes use biodiversity as insurance.
Scientists seek cures for disease in underground microbes.
Mysterious, tiny goblin spiders get a census.
Biodiversity loss may be encouraging the increase in Lyme disease.
The invasive zebra mussel loosens its grip on the Hudson River.
Visit Alaska's boreal forest to learn its role in Earth's climate.
Why are the Congo's fish evolving so quickly?
For marine life, climate change means more than warming.
Conservationists reintroduce a native species to its home.
Under human influence, species are spreading faster than ever.