iNaturalist and Crowdsourcing Natural History
The citizen-science app iNaturalist lets you record observations of plants and animals. The data can be used to study biodiversity.
Love, Sex, and Cyanide—The Private Life of a Toxic Butterfly
Heliconian butterflies choose mates with similar wing patterns. Their genes make them do it.
This Week in Sustainability: From Ice Age to Internet Age, Scientists Look for Clues to Species’ Extinctions
Scientists explore the causes--climate change, habitat destruction, and more--that decimated animals and humans alike, from Ice Age to Internet Age.
What Makes a Species?
Scientists have found there are actually four different species of giraffes. But what makes a species?