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Let's Expand Terrestrial Parks into the Ocean

"A land ethic," the great naturalist writer Aldo Leopold observed toward the end of his famous Sand County Almanac, "reflects the existence of an ecological conscience, and this in turn reflects a conviction of individual responsibility for the health of land." This philosophy of care for the earth's ecosystems and species provides one of the [...]..

December 10, 2014 — Caleb McClennen

Less Sleep Means More Stress for Teens

Teens stay up late at night and sleep late into the morning, a result of a natural shift in their circadian rhythms. That biological schedule puts them at odds with the adult world, as well as early start times for high school...

December 10, 2014 — Mark Fischetti

Your Telephone Is Lying to You About Sounds

Telephones lie about sounds because odd numbers aren't even. Once again with those integers and sound perception! Telephones can only pick up frequencies above 300 or 400 Hertz (cycles per second, also called Hz), but most adults’ speaking voices are lower than 300 Hz (approximately the D above middle C)...

December 9, 2014 — Evelyn Lamb

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