Search Results for: Vertebrates
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1,539 results
1,539 results for: Vertebrates
- Paleontology
Ancient atmosphere was productive
New laboratory experiments suggest that extra carbon dioxide in the atmosphere in the era just before the dinosaurs went extinct may have boosted plant productivity to at least three times that found in today’s ecosystems.
- Animals
First Impressions: Early view biases spider’s mate choice
In a new wrinkle on how females develop their tastes in males, a test has found that young female wolf spiders that see a male's courtship display grow up with a preference for that look in mates.
- Chemistry
An eel’s glow could illuminate liver disease
Fluorescent protein binds to bilirubin, a compound the body must eliminate.
- Life
Primitive fish could nod but not shake its head
Ancient fossils reveal surprises about early vertebrate necks, abdominal muscles.
- Animals
New fungus species found killing salamanders
First there was amphibian killer fungus Bd. Now there's Bs.
- Genetics
Genes for body symmetry may also control handedness
Lefties and righties can thank same genes that put hearts on left side for hand dominance, study of thousands of people’s DNA suggests.
- Humans
Letters from the March 1, 2008, issue of Science News
Big evolvers Regarding “Whales Drink Sounds: Hearing may use an ancient path” (SN: 2/9/08, p. 84), I have heard that whales evolved millions of years ago into their present form, including their very large brains. We humans must be relatively recent in terms of our brain structures. Are there data concerning evolutionary development in whales? […]
- Health & Medicine
The two faces of prion proteins
Scientists are learning more about the protein behind mad cow and Creutzfeldt-Jakob disease, including how to interfere with the protein’s production in the brains of mice.
- Animals
We all sing like fish
From opera singers to toadfish, vertebrates may use basically similar circuitry for controlling vocal muscles.
- Life
How the snake got its fangs
A study of snake embryos suggests that fangs evolved once, then moved around in the head to give today’s snakes a variety of bites.
- Life
Female frogs play the field
A female frog insures a safe home for her young by mating with many males.
- Life
Climate warms, creatures head for the hills
Unusual data let scientists test predictions that global warming drives species up slopes.
