They dominated our planet for 130 million years. You can't do that without having babies, and to have babies, dinosaurs had to have sex. The mystery is — and this is still very much a mystery — we don't really know how they did it.
The key problems being:
First, dinosaur ladies and dinosaur gentlemen were roughly the same size. No big/little asymmetry as with spiders. With spiders, the little fellow mounts the big lady. There are no body-crushing weight issues.
Originally published on Thu August 8, 2013 5:04 pm
Credit David Parry / PA Wire
After three months, $330,000 and a high-profile media blitz, the world's first hamburger grown in a lab made its worldwide debut Monday.
The unveiling of "cultured beef," as the burger is branded, was a production worthy of the Food Network era, complete with chatty host, live-streamed video, hand-picked taste testers, a top London chef and an eager audience (made up mostly of journalists). Rarely has a single food gotten such star treatment.
Scrutinizing the books of government agencies can turn up lavish parties or illicit trips at the taxpayers' expense. But not every investigation turns out that way. And when they don't, the hunt for waste can appear to be a waste itself.
Such appears to be the case with a recent inquiry involving NASA and Viking re-enactors. This whole saga began with an idea from Ved Chirayath, an aeronautics graduate student at Stanford University who loves photography. He was talking over what to shoot one day with a colleague, and thought of Vikings.
It's your neck that's the problem. Your neck is lying to you.
All your life you've had to look up at the stars. You walk along on a summer's evening and they're always there, those stars, those bright mysterious points of light, waiting for you to notice, waiting for you to understand what they are saying about time and space and your own place in it all.
Imagine winning the World Series, the lottery and a Nobel Prize all in one day. That's pretty much how scientists and engineers in mission control at NASA's Jet Propulsion Laboratory in Pasadena, Calif., felt one year ago when the 1 ton, six-wheeled rover named Curiosity landed safely on Mars.
Within minutes, the rover began sending pictures back to Earth. In the past year it has sent back a mountain of data and pictures that scientists are sorting through, trying to get a better understanding of the early climate on Mars.
HAL 9000 he's not. But Kirobo, the first-ever talking robot in space is heading to the International Space Station this week ahead of his human companion, Japanese astronaut Kochi Wakata, who takes over as ISS commander in November.
Twenty years ago today, Ted Parker, one of the world's great ornithologists and sound recordists died in a plane crash in Equator. He was only 40. Parker contributed nearly 11,000 wildlife recordings to the Cornell Lab of Ornithology's Macaulay library.
He could identify some 4,000 different bird species by sound alone. In this audio montage, the lab's director, John Fitzpatrick offers a remembrance.
JOHN FITZPATRICK: I've rarely met anybody as passionate about his love of nature and of birds than Ted Parker.