Star Wars Audition Tapes Feature A Very Different Original Trilogy Cast

It’s almost impossible to imagine the original Star Wars with anyone but Harrison Ford as Han Solo, or Mark Hamill as Luke Skywalker. But long, long ago, these roles were up for grabs — and Kurt Russell could have shot first. Check out the revealing audition tapes for the Original Trilogy! » 5/05/15 4:00pm Today 4:00pm

This Tiny Doll is Anatomically Correct All The Way In

If you were a midwife or a doctor attending childbirths during the 17th century, you might have owned a tiny anatomically correct doll like this one. Carved from ivory by German, French or Italian craftsmen, these tiny anatomical manikins opened to reveal the normal arrangement of human organs, including the lungs,… » 5/05/15 6:40pm Today 6:40pm

Everything We've Learned from 50 Years of (Deliberate) Spaceship Crashes

Last week, NASA’s Messenger spacecraft ended its 11-year mission by crashing into Mercury. Of course, Messenger was doomed anyway, but sometimes a mission’s entire point is to smash one thing into a bigger thing and watch the explosion. » 5/05/15 6:32pm Today 6:32pm

Black Widow: This Is Why We Can’t Have Nice Things

The arguments over Black Widow have gotten ugly. Last night, Joss Whedon quit Twitter, with an image that pointed the blame at Twitter haters. But there’s a real issue with Black Widow, and her role in Avengers: Age of Ultron, and it’s worth talking about. It’s worth talking about it like adults. » 5/05/15 3:05pm Today 3:05pm

Researchers Discover Fracking Fluids in Pennsylvania Well Water

Researchers using a sensitive chemical analysis say they have found evidence of fracking fluids in well water near a shale gas drilling site in Pennsylvania. It’s one of the first scientifically documented cases of fracking fluids seeping into drinking water. » 5/05/15 5:54pm Today 5:54pm

Secret Wars Ends The Marvel Universe As We Know It In This Week's Comics

Marvel’s big summer event kicks off with a bang, as the Main and Ultimate universes crash together to deadly effect. But it’s not all there is to this week’s new comics. DC’s digital Lynda-Carter-inspired Wonder Woman comic comes to print, and the Matrix vs. Apocalypse showdown Arcadia begins. So many comics! » 5/05/15 2:20pm Today 2:20pm

Here's One Brilliant Recipe For A Story That Will Kick Anyone's Ass

There’s no one secret formula for a great story, even if Pixar has its rules and other people have their own ideas. There are as many great shapes for a story to take as there are stories. But Chuck Wendig, author of the Blackbirds series, has a pretty great example of how to structure a kick-ass story. » 5/05/15 2:00pm Today 2:00pm

Big Whales Have Nerves Like Bungee Cords

This nerve can stretch to twice its resting length. Did you just squirm? If you did, you probably know that the nerves of vertebrates are notoriously inelastic things, and that stretching them even a little bit can result in painful injury. But the nerve in this image is special. In fact, it’s evolved to stretch this… » 5/05/15 1:03pm Today 1:03pm

Most Young Americans Think Premarital Sex is No Big Deal

American attitudes about sex continue to change, from one generation to the next. A new study from San Diego State University using data from the General Social Survey, published today in the Archives of Sexual Behavior, shows that Millennials are more likely to think premarital sex is OK than their Boomer or Gen-X… » 5/05/15 3:43pm Today 3:43pm

Black Widow: This Is Why We Can’t Have Nice Things

The arguments over Black Widow have gotten ugly. Last night, Joss Whedon quit Twitter, with an image that pointed the blame at Twitter haters. But there’s a real issue with Black Widow, and her role in Avengers: Age of Ultron, and it’s worth talking about. It’s worth talking about it like adults. » 5/05/15 3:05pm Today 3:05pm