Notebook

Science Past from the issue of December 16, 1961

HORMONES AFFECT NERVES — Add sex hormones to all the other things that can make you feel depressed on some days and elated on others. Evidence that sex hormones can affect the body’s central nervous system in roles unrelated to sexual functions has been reported by physiologists at the University of California, Berkeley. The findings […]

Nemesis: Searching for the sun’s deadly companion star

Read the full article (PDF) | Vote on future topic | Search archives September 1, 1984 | Vol. 126 | No. 9 Nemesis: Searching for the sun’s deadly companion star If the sun is not a member of a binary or multiple star system, it is among the minority of stars. Yet if the sun has a […]

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LIFE Schooling fish stay together by focusing on neighbors rather than the group. See “School rules.” Gustavo Hormiga Spiders known for their web architecture can trace their lineage to one crafty ancestor that lived 200 million years ago. See “The origin of orbs.” BODY & BRAIN Scientists have pinpointed what makes hearing nails on a […]

Science Future for December 3, 2011

December 5 Discuss scientist Ellen Prager’s book Sex, Drugs, and Sea Slime in Portland. Go to www.omsi.edu/sciencepubportland December 15 Explore the Maryland Science Center with baby at Infant Wonders. See www.mdsci.org December 17–23 Learn more about trains at the Center of Science and Industry in Columbus, Ohio. See www.cosi.org

Science Past from the issue of December 2, 1961

ELECTRONIC COIN TOSSING — An electronic method of tossing coins that determines “heads” or “tails” 200,000 times a second has been devised at the U.S. Navy Electronics Laboratory, San Diego, Calif. The new machine is not a gambling device but is being used to develop automatic signal detection methods for future Navy radar. It promises […]

Cornell project brings peregrines back to the eastern United States

With a little help, peregrine falcons make a comeback from the devastating effects of DDT.

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LIFE Cycads, often called “dinosaur plants,” aren’t so ancient after all. Read “Cycads not ‘living fossils.’ “ HUMANS Ancient cooking pots show diets shifted slowly from fishing to agriculture. See “Early farmers’ fishy menu.“ ON THE SCENE BLOG The Drake Equation for tallying alien life turns 50. See “The Drake Equation: All in the family,” […]

Science Future for November 19, 2011

November 22Learn cocktail chemistry at the Houston Museum of Natural Science. Go to www.hmns.org December 1Explore all things that glow at San Francisco’s Exploratorium. Ages 18 and up. See www.exploratorium.edu/afterdark December 5Make folded structures in a workshop at St. Paul’s Science Museum of Minnesota. See www.smm.org/librarylaboratory

Science Past from the issue of November 18, 1961

NEW EVIDENCE FOUND OF EXPANDING UNIVERSE — The universe is expanding, then collapsing again after a long time, evidence from photographs taken with the 200-inch telescope atop Mt. Palomar indicate. Dr. William A. Baum of Mt. Wilson and Palomar Observatories, Pasadena, Calif., said that present-day observations are not compatible with a steady-state universe in which […]

Science Past from the issue of November 4, 1961

ARTIFICIAL HEART VALVE — A previously hopeless condition of the heart — a defective heart valve — can now be corrected by successful surgery, it was reported at the American Heart Association meeting in Miami Beach, Fla. Many of the 500 gravely ill patients described by three teams of surgeons who did partial or total […]

Science Future for November 5, 2011

November 15 The DuPont Challenge science essay competition opens for entries. Learn more at thechallenge.dupont.com November 17 The Royal Society Winton Prize for Science Books is announced. See bit.ly/bookprz   November 19 The “Beyond Earth” exhibit opens at the American Museum of Natural History in New York City. See www.amnh.org

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DELETED SCENES BLOG An orbiting camera catches dust devils whirling at high speeds on the Red Planet. Read “HiRISE clocks hurricane-speed winds on Mars.” ATOM & COSMOS Astronomers get a new odometer to measure faraway objects. See “Longer cosmic ruler based on black holes.” ENVIRONMENT A warming climate could be making elk more destructive to […]