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.
May 10, 2013 What would it be like to be a string that made music? Not anything simple, like a guitar string or a cello string, but a magical string, a sine curve that's taut then loose, that doubles then doubles again, that sheds then dissolves into showers of notes.
May 9, 2013 Welcome to the New World in which, no kidding, insects run robots. In this case, 14 moths take 14 drives in a wheeled vehicle and steer right to the target. Seeing is believing.
May 7, 2013 Turns out our solar system — with its medium sized sun, its four small rocky planets, its four big gassy ones farther out — isn't like the others. We are unusual. Very unusual. Says one prominent astronomer, we are "a bit of a freak."
April 30, 2013 SpaceX calls it the "Grasshopper" — it's a rocket that doesn't fall back to Earth haphazardly after launch. It carefully returns itself to the launchpad standing up, right where it started.
April 27, 2013 Ever want to look back in time? With "time merge media," you can watch athletes dribble, swing and dance, and even throw five pitches at once.
April 23, 2013 If you liked the movie The Blob, then feast your eyes on this: It's tricked-out Silly Putty in the form of a gelatinous monster that eats magnets for lunch.
April 21, 2013 On Earth, a really wet wash cloth, squeezed tight, will drip. Watch what happens in space.
April 20, 2013 All animals are wired for pleasures that will lead them to reproduce, hunt for food and protect their young. The problem is, in some animals, like in some humans, the natural urge for good times gets untamed.
April 19, 2013 Two residential towers, dense with trees, will have their official opening later this year in downtown Milan. Blogger and critic Tim De Chant thinks it's high-time we stop planting trees on skyscrapers. Krulwich disagrees.