730 results
- Life
Penguin DNA evolving faster than thought
Comparing the DNA in modern birds to that in ancient generations shows molecular evolution happens at varying rates, and that each species has its own rate of evolution.
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When Birds Go to Town
Urban settings offer enterprising critters new opportunities — if they can cope with the challenges
- Humans
AAAS: March of the Hungry Penguins
Patagonian penguins have become sentinels of climate change and human impacts on the marine world.
- Life
One ocean, four (or more) killer whale species
Killer whales may be at least four species, a new study of mitochondrial DNA shows.
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Book Review: The Faith Instinct: How Religion Evolved & Why It Endures by Nicholas Wade
Review by Bruce Bower.
- Life
One ocean, four (or more) killer whale species
A new genetic analysis splits killer whales into multiple taxa.
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Rapt: Attention and the Focused Life by Winifred Gallagher
Reality consists of what you pay attention to, and new research is unraveling how the brain chooses some things over others. Penguin Press, 2009, 256 p., $25.95. Rapt: Attention and the Focused Life by Winifred Gallagher
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Science News at AAAS 2009
The American Association for the Advancement of Science is holding its annual meeting February 12 through 16 in Chicago. Leading researchers from all fields will discuss recent work and insights. Check here for the latest news from the SN writers attending the meeting.
- Earth
Don’t like it hot
King penguins don't live on continental Antarctica but even they are vulnerable to warming water.
- Ecosystems
Sea Change: People have affected what penguins eat
Adélie penguins in Antarctica significantly changed their eating habits about 200 years ago, after whaling and other human activities transformed the ocean ecosystem.
- Paleontology
Of penguins’ range and climate change
Variations in the range of Adélie penguins along one section of Antarctica's coast during the past 45,000 years are a keen indicator of climate change there.
- Animals
Invasion of the salmon
Chinook salmon, dwindling in the United States, go wild in South America.
