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  • Science Future

    Upcoming events

    June 24 Last day to see the Picturing Science exhibit on high-tech imaging at New York City’s American Museum of Natural History. See

    June 15 The Exploratorium in San Francisco invites visitors to make their own toys at Explorables: Science You Can Play With. See

    05/16/2013 - 16:30
  • Letters to the Editor

    Letters to the editor

    Fusion reactions It is not true that fusion packs the highest punch of any known energy-generating process (“Ignition failed,” SN: 4/20/13, p. 26). Matter-antimatter annihilation far exceeds it (Star Trek had it right back in the 1960s). I believe that under certain conditions, matter falling into a black hole can also yield more energy than fusion.Bobby Baum, Bethesda, Md.

    The reader...

    05/16/2013 - 16:25
  • SN Online

    SN Online

    ENVIRONMENT See good news for birds in “So far, the great tit has coped with climate change.”

    LIFE Fossils show how birds shifted their weight as they evolved. Read “Birds may have had to crouch before they could fly.”

    Flowerlike corals pulsate to boost photosynthesis by algae harbored inside. See “Why corals do calisthenics.”

    RANDOMNESS Tom Siegfried examines theories of...

    05/16/2013 - 16:15 Science & Society
  • "Draw" body by sound

    A new device now maps the body’s internal organs with sound waves.… Shaped like an oversized fountain pen, the transducer is held over the body above the internal organ to be studied. Short pulses of ultrasonic energy radiate out, and harmlessly bounce back from the internal surfaces. The time they take to return is analyzed, and results are recorded immediately on the instrument’s...

    05/16/2013 - 16:10 Biomedicine
  • People

    Embracing the swarm

    Entomologist Michael Raupp is enjoying Swarmageddon. The giant batch of cicadas began emerging from the ground in late April and will be heard in some northeastern states through June.

    “You see the insects in a mad, desperate dash for the trees so they can survive and mate,” Raupp says. “Birds and squirrels will be eating them. It’s life, it’s death, it’s romance. It’s a...

    05/16/2013 - 15:17 Animals