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Magazine
In the April 14 SN: Killer heat, mass insect migrations, the latest Saturn updates, rethinking the Nobel Prize, tectonics on Venus, the science of mass shootings, ancient tool trends and more.
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Not-So-Clear Alternative: In its air-quality effects, ethanol fuel is similar to gasoline
Switching the nation's vehicles from gasoline to ethanol may not reduce air pollution. - News
More Than Bit Players: Snippets of RNA might sway pancreatic cancer
Small pieces of genetic material called microRNA might provide a preview of pancreatic cancer's aggressiveness and offer targets for combating the usually deadly disease. - News
Liquid Center: Mercury has a molten core, radar reveals
Mercury is hot stuff: It's got a core that's at least partially molten, a new radar study of the planet's spin reveals. - News
Automatic Networking: Brain systems charge up in unconscious monkeys
Even when monkeys are anesthetized, their brains show patterns of electrical activity similar to those exhibited during wakeful activity. - News
Quantum Loophole: Some quirks of physics can be good for science
Physicists have found a way to almost double measurement precision when using photons to gauge distances. - News
Talk to the Hand: Language might have evolved from gestures
Language might have evolved from hand gestures, say researchers who study communication in chimpanzees. - News
Less Is More (Bone): Yearly osteoporosis drug reduces fractures
Older women with osteoporosis who received yearly infusions of a drug that prevents bone loss had far fewer fractures than did peers who didn't get the drug. - News
A solar forecast
Solar activity, which waxes and wanes in an 11-year cycle, will most likely begin its next round in March 2008 and peak sometime between late 2011 and mid 2012. - News
Spider blood fluoresces
Among spiders, fluorescence under ultraviolet light seems to be a widespread trait. - News
Lake Superior is warming faster than its local climate
In recent decades, the waters of Lake Superior have warmed significantly faster than have air temperatures at nearby sites onshore, a trend caused in part by a long-term decrease in the lake's winter ice cover.