Search Results for: Vertebrates
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1,512 results
- Health & Medicine
Vegetable Soup Fights Cell Damage
A study in which volunteers ate vegetable soup every day for two weeks points to benefits of vitamin C beyond its role as an antioxidant.
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Fish guts reveal microbial alliance
Scientists are studying germfree zebra fish to better understand how microbes influence gut development.
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This article could leave the impression that the evolutionary significant unit (ESU) is the de facto concept employed for all listing decisions under the Endangered Species Act. In fact, the ESU has not been used in the vast majority of recent listing decisions under the act. Nor should it be. The act allows the National […]
- Health & Medicine
A Fishy Therapy
Shark cartilage continues to be sold to fight cancer, even though its efficacy has not been confirmed by any major U.S. trials.
- Animals
Jungle Genes: First bird genome is decoded
Researchers have unveiled a draft of the first bird genome to be sequenced, a vintage chicken.
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The Body Electric
An electric field inside an embryo may tell it whether to place an internal organ on its left or right side.
- Ecosystems
Risky High Life: Mountain creatures prove extra-vulnerable
Some of the species hardest hit by climate change will be those living in particular mountain highlands.
- Paleontology
Flightless Feathered Friends
New finds of fossil penguins, as well as analyses of the characteristics and DNA of living penguins, are shedding light on the evolution of these flightless birds.
- Paleontology
Healed scars tag T. rex as predator
Healed wounds on the fossil skull of a Triceratops—wounds that match the size and shape of those that would be made by Tyrannosaurus rex—are a strong sign that the tooth scrapes are a result of attempted predation, not scavenging.
- Plants
Botany under the Mistletoe
Twisters, spitters, and other flowery thoughts for romantic moments.
- Paleontology
Tracks suggest chase, capture, and after-meal respite
A 1.3-meter-long, S-shaped trail of fossil footprints discovered in southwestern Indiana includes one set of disappearing tracks—suggesting an ancient chase—and an impression where the predator rested after its meal.
- Ecosystems
One-Celled Socialites
A wave of research on the social lives of bacteria offers insights into the evolution of cooperation and may lead to medical breakthroughs that neutralize virulent bacterial strains.
