HS-LS2-1
Use mathematical and/or computational representations to support explanations of factors that affect carrying capacity of ecosystems at different scales.
-
Animals
Move over cheetah: Mite sets new speed record
A super-speedy species sprints faster than any other land animal — for its size, a new study finds. Scientists may someday tap this tiny mite’s technique to create robots and other devices that zip around at sensational speeds!
-
Health & Medicine
New ‘Heartland’ disease emerges in U.S. Midwest
A new viral disease causes major pain and flu-like symptoms. At present, no treatment or cure exists.
By Janet Raloff -
Microbes
Return of the giant zombie virus
Scientists have discovered a new type of virus in Siberian soils. It's the largest virus ever discovered. And guess what: It could infect cells even after 30,000 years in cold storage.
-
Animals
First living fish leaves ‘endangered’ list
Twenty-one years ago, a minnow facing a high risk of extinction was placed on the U.S. Endangered Species List. With help from scientists, the fish appears to have largely recovered. It’s the first ‘listed’ fish to do so.
-
Earth
Ancient heights
Leaf fossils can help track the rise and fall of mountain ranges.
By Emily Sohn -
Animals
A hangout for elusive blue whales
Scientists have now found a place off southern Chile where blue whales gather.
By Emily Sohn