Search Results for: Vertebrates
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1,541 results
1,541 results for: Vertebrates
- Humans
From the January 8, 1938, issue
Social scientist named AAAS president, rarest of the rare found high in the air, and an unusual joint for a skull.
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Science Future for September 12, 2009
September 23–26 The Society of Vertebrate Paleontology marks Darwin’s bicentennial in Bristol, England. See www.vertpaleo.org/meetings October 11–17 Celebrate Earth Science Week with the American Geological Institute. Find local events at www.earthsciweek.org October 31 Deadline to enter the National Engineers Week Future City Competition for students. Visit www.futurecity.org
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Upcoming events
From the issue of March 23, 2013.
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Letters to the editor
Fusion reactions It is not true that fusion packs the highest punch of any known energy-generating process (“Ignition failed,” SN: 4/20/13, p. 26). Matter-antimatter annihilation far exceeds it (Star Trek had it right back in the 1960s). I believe that under certain conditions, matter falling into a black hole can also yield more energy than […]
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Letters to the editor
Invertebrate enigmas I found the recent article “Evolutionary enigmas” (SN: 5/18/13, p. 20) fascinating because I know of another example of an invertebrate animal possessing a “strictly vertebrate” quality. As a high school human anatomy and physiology teacher, I sometimes have my students test the effects of the constituents in cigarette smoke on live Daphnia […]
- 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? […]
- Genetics
Evolution of venom, binge eating seen in snake DNA
Python and cobra genes evolved quickly to enable hunting strategies.
- Animals
How the ghost shark lost its stomach
The lack of a digestive organ in fish and other animals is linked to genetics.
- Animals
Lizard breath has surprising birdlike flow
Decades of assumptions may be wrong about the evolution of reptile lungs.
- Paleontology
Hunting fossils in England
On Monmouth Beach, just west of the center of Lyme Regis, amateur and professional collectors have been making discoveries for more than two centuries.
- Paleontology
Feathered fossil still stirs debate
More than 2 years after scientists first described 120-million-year-old fossils of a feathered animal, a new analysis seems to bolster the view that the turkey-size species was a bird has-been and not a bird wanna-be.
- Animals
Toothy valves control crocodile hearts
The odd cog teeth of the crocodile heart may be the first cardiac valve known to control blood flow actively.
