Uncategorized
- Physics
Echoes create an interior map app
To record size and shape of a room, researchers use a speaker, five microphones and some math.
- Animals
Oysters may struggle to build shells as carbon dioxide rises
Ocean acidification could hamper larvae's growth.
- Health & Medicine
Even if science can’t make life longer, perhaps a pill can make a long life better
To live long and prosper (physically, not financially), you’d probably rather take a pill than starve yourself. So far, though, most of the evidence says very-low-calorie diets are the best strategy for living a longer life. At least if you’re a worm or a fly. It hasn’t been established that less food means a longer […]
- Physics
Simple invisibility cloaks hide toys, pets, people
Using everyday materials, two research teams conceal ordinary objects by guiding light around them.
- Animals
Butterflies’ tidy drinking tricks
The long tube of the insects' mouthparts is fluid friendly only at the tip.
- Health & Medicine
DSM-5 enters the diagnostic fray
Fifth edition of the widely used psychiatric manual focuses attention on how mental disorders should be defined.
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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 […]
- Health & Medicine
Balloon Clears Arteries
Excerpt from the June 29, 1963, issue of Science News Letter.
- Science & Society
Tim Samaras, 1957–2013
Tim Samaras spent the past twenty years chasing tornados. He was killed in a storm in May.
- Chemistry
A Tale of Seven Elements
Eric Scerri's book tells the story of filling in the periodic table of the elements.
- Math
Math on Trial
How Numbers Get Used and Abused in the Courtroom by Leila Schneps and Coralie Colmez.
- Life
Leprosy bacterium changed little in last millennium
Genome alterations probably not responsible for decline in disease prevalence.
