Uncategorized
- Space
Cosmic heavyweight
Astronomers discover the heftiest, most distant galaxy cluster, suggesting evidence for dark energy’s existence.
- Neuroscience
New insights on new neurons
Neurogenesis works differently in two parts of the brain. New neurons are necessary for making memories and keep the olfactory bulb’s structure but aren’t needed for smelling, study in mice shows.
- Math
Founder of the Secret Society of Mathematicians
Henri Cartan, one of the leaders of a revolution in mathematics, dies at 104.
- Humans
Honey of a discovery
Investigators have discovered the remains of 3,000-year-old beehives in Israel, offering a glimpse of the oldest known beekeeping operation.
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Central Park in the Dark: More Mysteries of Urban Wildlife
Review by Rachel Ehrenberg.
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The Complete Herb Book
Jekka McVicar, Firefly Books, 2008, 304 p., $29.95.
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DNA: Promise and Peril
Linda L. McCabe and Edward R.B. McCabe, Univ. of California Press, 2008, 339 p., $39.95.
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What’s the Big Idea? Four Centuries of Innovation in Boston
Stephen Krensky, Charlesbridge, 2008, 64 p., $18.95.
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Out of the Blue
John S. Friedman, Delacorte Press, 2008, 290 p., $24.
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Dire Predictions: Understanding Global Warming
Michael E. Mann and Lee R. Kump, DK Publishing, 2008, 208 p., $25.
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From Science News Letter, September 13, 1958
RNA INFLUENCES CELL DIFFERENTIATION — Ribonucleic acid has been pinpointed as having an essential role in cell differentiation, the process by which the early embryo’s look-alike cells become nerve, bone, skin and other organs. Working with extremely small quantities of cellular material, 20 to 50 cells, taken from embryonic newt and salamander tissue, Dr. M. C. Niu […]
