1,566 results
- Humans
U.S. probably began global fire ant spread
A genetic study shows that recent international invasions likely originated in the U.S. South, not the species’ native South American range.
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Letters
Defining the human species Having read “Humans benefited by interbreeding” (SN: 10/8/11, p. 13), I wonder if I have missed what, to me, seems a major change in the definition of “species.” I was taught that the attempted crossbreeding of animals of two different species could result in either no offspring or sterile offspring. If […]
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SN Online
Highlights from recent online-only stories
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The Leafcutter Ants by Bert Hölldobler and E.O. Wilson
Two Pulitzer Prize–winning biologists team up to describe ants that farm their own food and form colonies that can be considered advanced civilizations. The Leafcutter Ants by Bert Hölldobler and E.O. Wilson W.W. Norton, 2010, 160 p., $19.95.
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Letters
NASA budget blunder My thanks and admiration to Ron Cowen for writing about NASA’s “culture of deception” in his recent article on the James Webb Space Telescope mission (“Star cents,” SN: 4/9/11, p. 22). If the astronomy community (and Congress) had decided years ago that spending $7 billion or $8 billion on JWST would be […]
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- Life
Unraveling ant genomes yields high hopes
A new study may yield new insights into behavior and life-span in ants and other animals.
- Earth
Not in this toad’s backyard
Yellow crazy ants meet a hungry obstacle as they spread into cacao plantations.
- Life
Forget mice, elephants intimidated by ants
Swarms of little nuisances have an outsized effect on who nibbles which trees in the African savanna.
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