Search Results for: Vertebrates
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1,543 results
1,543 results for: Vertebrates
- Ecosystems
Athlete’s foot therapy tapped to treat bat-killing fungus
Over the past four years, a mysterious white-nose fungus has struck hibernating North American bats. Populations in affected caves and mines can experience death rates of more than 80 percent over a winter. In desperation, an informal interagency task force of scientists from state and federal agencies has just launched an experimental program to fight the plague. Their weapon: a drug ordinarily used to treat athlete’s foot.
- Earth
Wringing hope from crashing biodiversity
Biodiversity losses have not slowed despite a treaty designed to protect variety in the natural world.
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Breathtaking Science
A small region within the brainstem creates the normal breathing rhythm.
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After West Nile Virus
As biologists try to estimate the impact of West Nile virus on wildlife, it's not the famously susceptible crows that are causing alarm but much rarer species.
- 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.
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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.
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Visionary Research
Scientists are debating why primates evolved full color vision and whether that development led to a reduced sense of smell.
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When to Change Sex
A research team contends that animals that routinely change sex, even those prompted by mate loss or other social cues, tend to do so when they reach 72 percent of their maximum size.
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Reef Relations
The discovery of humanlike genes in coral means that the common ancestor of both humans and coral was more complex than previously assumed.
- Paleontology
L.A.’s Oldest Tourist Trap
Modern excavations at the La Brea tar pits are revealing a wealth of information about local food chains during recent ice ages, as well as details about what happened to trapped animals in their final hours.
