6,911 results
6,911 results for: Bears
- Health & Medicine
Ancient Estrogen
A jawless fish ancestor may have revealed the most ancient of hormones and how current hormones evolved from it.
- Health & Medicine
Immunity’s Eyes
Proteins called toll-like receptors allow human immune cells to detect microbes.
- Plants
Torn to Ribbons in the Desert
Botanists puzzle over one of Earth's oddest plants: the remarkably scraggly Welwitschia of southwestern Africa.
- Health & Medicine
The Seeds of Malaria
By studying the molecular footprints of evolution in parasites and human hosts, geneticists are casting light on when and how malaria became the menace it is.
- Computing
Sneaky Calculations
The same communication system that brings you the Web page of your choice can be exploited to perform computations.
- Earth
The Mountain
Tall, steep slopes, a crest of glacial ice that's larger than that on any other mountain in the lower 48 United States, and a burgeoning population in its surrounding valleys combine to make Washington state's Mt. Rainier the most dangerous volcano in America.
- Paleontology
Turn Your Head and Roar
The analysis of fossils that preserve evidence of diseases that appear to be similar or identical to afflictions that strike modern animals, including humans, could help scientists better grasp the causes and courses of today's ailments.
- Anthropology
Evolving in Their Graves
Understanding what early, rudimentary burials meant to modern humans' antecedents—assuming early humans did, in fact, bury their dead—could help anthropologsts untangle a lasting mystery of human evolution.
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Science News of the Year 2001
A review of important scientific achievements reported in Science News during the year 2001.
- Humans
Weekly Science Snoop
WARNING: This fake tabloid contains rumor, humor, and other words that don't rhyme with truth.
- Ecosystems
Tadpole Science Gets Its Legs . . .
The amazingly complex tadpole now shines in ecological studies.
- Planetary Science
Exploring the Red Planet
Searching for signs of subsurface water on the Red Planet and analyzing the elemental and mineral composition of surface rock, NASA's Mars Odyssey spacecraft begins its main mapping mission next month and may shed light on several enduring puzzles about the planet.
