Search Results for: Vertebrates
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1,505 results
- Animals
Ten real-life Halloween horrors in the natural world
Vampires and witches are nothing compared to mind-controlling parasites, nose ticks and antibiotic-resistant superbugs.
- Animals
Frustrated fish get feisty
Smaller rainbow trout become more aggressive towards bigger fish when they don’t their usual treats.
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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 […]
- Life
Rivalry helps fruit flies maintain brainpower
In lab tests, males dim mentally after generations without competitors.
- Climate
How species will, or won’t, manage in a warming world
Fast evolution and flexibility, in biology and behavior, may allow some species to adapt to a warming world. Others may need help from humans, or risk dying out.
- 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.
- Animals
Comb jelly immune system can spot old enemies
Animal at base of family tree could help researchers understand the evolution of immunity.
- Animals
African frog conceals itself with chemicals
Two small peptides keep the West African savanna frog from being stung by ants.
- Animals
Lizard breath has surprising birdlike flow
Decades of assumptions may be wrong about the evolution of reptile lungs.
- Genetics
Evolution of venom, binge eating seen in snake DNA
Python and cobra genes evolved quickly to enable hunting strategies.
- 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.
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From the issue of March 23, 2013.
