Most talked about Popular Science stories

How Sneeze Particles Travel Inside An Airplane — At first, the video displays the virtual insides of a crowded passenger airplane. Then all of a sudden, one of the passengers seated in the middle "sneezes." Hundreds of multicolored particles are jettisoned into the air, creating a rainbow-speckled cloud that lingers above everyone's heads.
Oct 30, 2014

RT @steveashleyplus: Why you get colds in airliners. Simulation shows how sneeze particles travel inside cabins. (PopSci):…

Oct 30, 2014

RT @PopSci: Worried about germs when you travel? Here’s how sneeze particles spread in an airplane…

Oct 30, 2014

If someone sneezes on a plane, the people in that row have the highest chance of getting sick. h/t @JenLucPiquant…

Oct 30, 2014

How Sneeze Particles Travel Inside An Airplane: Simulation technology shows u should sit far behind sick passenger.

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Big Pic: The Sun Gives Off A Jack-O'-Lantern Leer — The sun got into the Halloween spirit a little early this year, producing active spots that look like a jack-o'-lantern leer on October 8. The active spots give off more light and energy than the rest of the sun's surface.

How To Give A Mouse Ebola — If you give a lab mouse the mouse version of Ebola, it will die. But not in the same way humans with Ebola do. Lab mice infected with Ebola don't get hemorrhagic fever.

Big Pic: China's Lunar Spacecraft Snaps Trippy Pic Of The Moon And Earth — On its trip around the Moon this week, China's lunar test probe, Chang'e 5TI, snapped this mind-bending image of the Earth and its satellite, putting the objects in a unique perspective. The photo is taken from just beyond lunar orbit, and it gives the illusion that the Moon is actually the more sizable of the two, and that Earth is the tiny orbiter.

Feast Your Eyes On The Best Microscope Images Of The Year — Every year since 1974, Nikon has herded a gaggle of nerds into a room for an impossible task: Pore over thousands of microscope images and pick the very best ones. I was lucky enough to join the judge's circle this summer for Nikon Small World 2014-the 40th year of the microscopy competition.

How Much Candy Can I Eat This Halloween? — The average U.S. trick-or-treater takes home 600 grams of sugar on Halloween-equivalent to three cups of pure sugar. Bad news, trick-or-treaters: A new recommendation from the World Health Organization (WHO) deals a serious blow to your annual candy binge.
Oct 30, 2014

RT @PopSci: Happy Halloween Eve! Wondering how much candy to eat? The answer is more sour than sweet…

How Benedict Cumberbatch Became A Dragon [Video] — A delightful clip of Benedict Cumberbatch playing Smaug for The Hobbit: The Desolation of Smaug made the rounds last week, showcasing the weirdness of motion-capture performance. In the video, he wears a full body suit, and white dots are speckled on his face. Yet as funny as this site is, most people probably weren't surprised by it.
Oct 29, 2014

RT @PopSci: How Benedict Cumberbatch became the dragon Smaug through motion capture technology…

Microscopic Robots Learn To Move Like White Blood Cells — In the 90s kids show The Magic School Bus, eccentric teacher Ms. Frizzle took her class for a wild ride in a sick student's immune system -- only to be attacked by white blood cells. White blood cells tracked the bus using the same chemical traces they follow to find infected sites or navigate their way to viruses.

Earth 2.0: Where Are The Habitable Worlds Of 'Interstellar'? — In the upcoming film, Interstellar, a group of heroes blasts off from a dying Earth to search for a new home for humanity. For reasons that aren't explained in the trailer, the solar system (including Mars) apparently cannot help. Instead, the extraplanetary explorers must seek out Earth 2.0 in another star system.