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  1. Food Fix

    Scientists have discovered a number of neurological connections between drug addiction and obesity.

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  2. 19586

    I note that pleasure activates the neurobiological response that fuels addictive behavior. It has long been a tenet of the 12-step programs that there is no pleasure greater than to use one’s talents to help others similarly afflicted. Perhaps we shouldn’t discount the neurological effect of that activity. Betsy (last name withheld) It’s a fact […]

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  3. Math

    Armor-Plated Puzzle

    Behind the beautiful patterns of many viral shells lie principles of pure physics and mathematics that scientists have illuminated in recent theoretical studies.

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  4. Math

    Primes, Palindromes, and Pyramids

    Prime numbers that have the same sequence of digits whether read forward or backward can be built into pyramids.

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  5. Humans

    From the August 24, 1935, issue

    Learning from spiders, a tiny electric motor, and two new cancer-causing chemicals.

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  6. Earth

    Sea Monitors

    Developed by researchers at the Georgia Tech Research Institute, SeaMaven is a new Web portal that gives students access to data collected from naval platforms 60 miles off the coast of Georgia. Eight platforms, currently operated by the U.S. Navy for flight training, have been equipped with sophisticated sensors to monitor various ocean and meteorological […]

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  7. Animals

    What’s That Knocking? Sound evidence offered for long-lost woodpecker

    Cornell's Laboratory of Ornithology has released recordings from the woods of eastern Arkansas that researchers say could be the distinctive drumming and calls of the ivory-billed woodpecker.

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  8. Chemistry

    Presto, Change-o: New solutions could clean up chemistry

    Scientists have developed a simple technique to switch an oil-like solvent into a waterlike one.

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  9. Earth

    Seafloor features steered tsunamis

    Tsunamis circled the globe after a magnitude 9.3 earthquake struck the Indian Ocean last Dec. 26, but the waves didn't spread evenly.

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  10. Health & Medicine

    Dark Side of a Blood Builder: Hormone linked to diabetic blindness

    Erythropoietin, a hormone that orchestrates growth processes, may contribute to eye damage in people with diabetic retinopathy.

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  11. Anthropology

    A Seasoned Ancient State: Chinese site adds salt to civilization’s rise

    Analyses of remains from an ancient Chinese site situated along a river indicate that salt making occurred there as long as 4,000 years ago.

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  12. Astronomy

    First Supper: X rays may mark eating habits of baby black holes

    Astronomers have evidence that just minutes after their tumultuous birth, baby black holes emit powerful burps of X rays that may be fueled by material left over from their first meal.

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