3,970 results
3,970 results for: Dogs
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- Health & Medicine
Going Under
While every anesthetic drug has its own effect, scientists know little about how the various versions work on the brain to transport patients from normal waking awareness to dreamless nothingness.
- Chemistry
Smelling the menu
Mouse breath triggers special cells in the nose that help send a safe-to-eat message.
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- Humans
Facebook users keep it real in online profiles
College students on Facebook display their real personalities, not reinvented selves, a new study suggests.
- Animals
Cats drink using lap-and-gulp trick
Felines imbibe by pulling up a column of fluid and then snatching a bit of it before it splashes back down.
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Letters
Making morphine The article “Chemists pin down poppy’s tricks for producing narcotic painkiller” (SN: 4/10/10, p. 5) may presage geopolitical changes in Afghanistan, regardless of whether there are engineered virus attacks or alternative crop programs. A technological advance like this one will eventually be used in the United States and Europe. Even if governments continue […]
- Animals
Dogs show a fetching communication savvy
In a sign of understanding that one object can be used to represent another, border collies fetch toys after being shown replicas or, in some cases, photos of those toys.
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Sleep Gone Awry
Researchers inch closer to causes, cures for insomnia, narcolepsy.
- Life
Old gene, short new trick
A single genetic modification is linked to the stature of short-legged dog breeds, new research shows.
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