May 14, 2013 Bees could build flat honeycombs from just three shapes: squares, triangles or hexagons. But for some reason, bees choose hexagons. Always "perfect" hexagons. Why?
May 13, 2013 The appeal of owning your own property — and all the private goods that came with it — may have convinced nomadic humans to settle down and take up farming. So says a new study that tried to puzzle out why early farmers bothered with agriculture.
May 13, 2013 Since 1958, researchers have been measuring the amount of carbon dioxide in the atmosphere at the Mauna Loa Observatory. The remote outpost has just reported a carbon dioxide level of 400 parts per million — the highest it has climbed in the modern age.
May 12, 2013 Treated human waste has been used on farmland for decades, but the ick factor has not entirely faded. Some environmentalists think the treatment process may not get rid of all the harmful contaminants that could be in the waste.
May 12, 2013 Honeybees are in trouble across the U.S., but one association in Massachusetts is hoping to boost the population in its own area. The bees it currently uses have a hard time surviving the winter and battling other foes that have been killing bees nationwide. So beekeepers in Plympton decided to breed their own.
May 11, 2013 NASA sent two astronauts on a spacewalk Saturday to fix an ammonia leak in one of International Space Station's power systems.
May 11, 2013 There's a move in Congress to name a science laureate. Astronomer Mike Brown hopes that person would do much more than visit schools to encourage kids to consider careers in science. He'd like to see a laureate reach out to the public in all sorts of ways.
May 11, 2013 Microscopic bugs called cheese mites are responsible for the distinctive rind and flavor of the bright orange French cheese Mimolette. But now, the FDA has blocked more than a ton of Mimolette from entering the country, because the agency says the mites left on it make it unfit for consumption.
May 11, 2013 If you live in North America, this week we had a crescent moon — a skinny sliver of light shaped like a toenail in the sky. Why that shape? Astronomers say it's a "phase." Most of the moon is in shadow. Pixar knows better. Meet the Moon Sweepers. A Grandpa, a dad and a boy.