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Why do we scream?

Despite our fascination with screams, science knows relatively little about them.

Harold Gouzoules is one of the few scientists researching human screams. He collects them and analyzes their tone, pitch, and frequency to try and uncover the hidden patterns and complexities carried in one of the most intense human sounds.

The weird walk of a bizarre dinosaur

Computer animation of Deinocheirus mirificus walking. The bizarre-looking dinosaur had unusually large forearms and features that seem cobbled together from other dinosaurs.

Exciting Rosetta space mission inspires a magical short film

Everything about the European Space Agency’s Rosetta mission – which, in August, caught up to Comet 67P/Churyumov–Gerasimenko and began moving in tandem with it – has been fantastic so far. And now – just weeks before Rosetta will send a lander to the surface of its comet – ESA and Platige Image have released a very good short film, called Ambition. It’s not a space documentary, or like any film about space exploration you’ve ever seen.

Three amazing feats of spiders

Halloween time is spider time. Three amazing spider skills you might not have known about. Like, did you know spiders can dance?

Favorite scary weather scenes in horror movies

You know the scary movie where a crazed killer chases a person in an old, abandoned house. There’s aways a thunderstorm, right? Here my picks of favorite scary weather scenes in horror movies, starting with Frankenstein. How could the Frankenstein monster be born without a good thunderstorm with plenty of lightning?

Video: Lightning photobombs a double rainbow

Amazing double rainbow arcs across the sky. Lightning gets in on the act.

Video: 3D flight over Mars chaotic terrain

Get out your 3D glasses and watch a flyover of the weird landforms on Mars know as chaotic terrain.

Video: Solar eclipse on October 23

Weather permitting, almost everyone in North America will be able to see the partial solar eclipse this Thursday. Here’s more info, including when to see the eclipse where you live

Video: Comet Siding Spring’s close encounter with Mars

Here’s a 2-minute video on the comet’s near-miss of Mars on October 19, and how orbiting spacecraft will evade onslaught of dust particles from the comet.

This hummingbird video will melt your heart

Hummingbird playing in a fountain. Toward the end, listen for the little clicks and chirps.