Search Results for: Vertebrates
Skip to results
1,560 results
1,560 results for: Vertebrates
-
Do Antibodies Pack a Deadly Punch?
These immune molecules may directly kill, not just tag, microbes.
- Anthropology
Out on a Limb
The science of body development may make kindling out of evolutionary trees.
- Paleontology
Fossil birds sport a new kind of feather
Two fossil specimens of a primitive, starling-size bird that lived about 125 million years ago have tail feathers that may hold the clues to how feathers originated.
- Humans
Science News of the Year 2000
A review of important scientific achievements reported in Science News during the year 2000.
- Paleontology
Subway dig in L.A. yields fossil trove
Fossil finds made when a subway line was extended from Los Angeles into the San Fernando Valley include bones of mastodons, ground sloths, extinct bison and camels, and 39 new species of fish.
- Plants
Botany under the Mistletoe
Twisters, spitters, and other flowery thoughts for romantic moments.
-
Telltale Heart
Genetics is revealing the first steps in building a heart—the organ that is first to develop, subject to the most birth defects, and difficult to heal when damaged later in life.
- Paleontology
A Ticklish Debate
Paleontologists engaged in a contentious debate about the origins of feathers often reach interpretations that are poles apart, and they defend their views with fervor.
-
- Humans
Weekly Science Snoop
WARNING: This fake tabloid contains rumor, humor, and other words that don't rhyme with truth.
- Paleontology
Learning from the Present
New field studies of unfossilized bones, as well as databases full of information about current fossil excavations and previous fossil finds, are providing insights into how complete—or incomplete—Earth's fossil record may be.
- Anthropology
Monkey Business
They're pugnacious and clever, and they have complex social lives—but do capuchin monkeys actually exhibit cultural behaviors?
