Uncategorized
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A Man’s Job
Sperm contain an unexpected payload of RNA, a discovery offering insight into infertility, cloning, and contraception.
- Humans
From the October 1, 1932, issue
WARNING SPOTS OR TARGETS? Eye-spots, like those on the wings of the Cecropia moth on the front cover, are commonly interpreted either as warning markings, to scare off enemies, or as “targets” to draw the enemy’s attention to a non-vital spot. But moths get eaten anyway.–(Photo by Cornelia Clarke). COSMIC RAYS BOMBARD EARTH WITH 40,000 […]
- Tech
Cool Contraptions
The J. Paul Getty Museum’s intriguing online exhibition, “Devices of Wonder,” features optical devices, robots, thinking machines, and other fanciful contrivances of yesteryear.
