Uncategorized
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Science Past from the issue of May 20, 1961
U.S. SPACEMAN A-OKAY — The United States broke the space barrier May 5 when Alan B. Shepard, Jr., 37-year-old astronaut, rode the Mercury capsule 302 miles down-range from Cape Canaveral, Fla. At 9:34 a.m. EST the Redstone rocket carrying the Mercury capsule lifted off the launching pad and took the astronaut for a 15-minute trip […]
- Astronomy
Supermassive black hole rises and shines
Astronomers may have witnessed the activation of a dormant supermassive black hole in a distant galaxy.
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Letters
Ain’t got the beat Obviously, Bruce Bower hasn’t tried to teach tourists how to dance. “A man oblivious to music’s tempo” (SN: 3/26/11, p. 9), though not common, is not rare. In the last 35-plus years I’ve shown more than 10,000 visitors to New Orleans how to do the Cajun two-step or waltz, and perhaps […]
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From the Archive
Read the full article (PDF) February 13, 1937 | Vol. 31 | No. 827 Robot Mathematician Solves Nine Simultaneous Equations A ONE-TON machine that in a single action can solve nine simultaneous equations with nine unknowns so complicated in form they might well require days of laborious computation by trained mathematicians has been developed at […]
- Psychology
Thinking better with depression
Study suggests people with the mood disorder have an advantage when making certain decisions.
- Health & Medicine
Body & Brain
Sleeping babies are growing babies, plus the body-brain connection and women’s circadian clocks in this week’s news.
- Chemistry
Spray of zinc marks fertilization
Embryonic development begins with an outpouring of the metal, illustrating chemistry's importance in orchestrating biological processes.
- Earth
Warming dents corn and wheat yields
Rising temperatures have decreased global grain production and may be partly responsible for food price increases.
- Life
Giant ants once roamed Wyoming
The first complete fossil found in North America suggests warm spells in the far north allowed big insects to spread.
- Space
Gravity Probe B finally pays off
A half century in the making, an orbiting experiment finally confirms Einstein's general relativity.
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- Space
Signs of dark matter from Minnesota mine
An underground experiment in the U.S. bolsters the case that Earth plows through a halo of dark matter particles.
