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From the November 23, 1935, issue
Experiments at record altitudes, an increase in malaria deaths, and sending facsimiles by radio.
- Astronomy
Ring around the galaxy
The Hubble Space Telescope has captured the largest number ever of elliptical galaxies with Einstein rings, a marker of gravitational lensing.
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DNA Clues to Our Kind: Regulatory gene linked to human evolution
A gene that exerts wide-ranging effects on the brain works harder in people than it does in chimpanzees and other nonhuman primates.
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Danger Mouse: Deleting a gene transforms timid rodents into daredevils
By removing one gene from a mouse's standard repertoire, scientists have turned a timid animal into an intrepid one.
