Self-Portraits In Mid-Fall And Other Amazing Photos From This Week

Including a shark in utero, the videogame memorabilia world record holder, and more

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Shark Embryo

Sharks can sense danger before they're even born. Developing bamboo shark embryos freeze when they sense dangerous stimuli, according to a new study in PLoS ONE.Channing Egeberg via BBC

Park Views

Russian photography Sergey Semonov won the amateur category of the Epson International Photographic Pano Awards with this 3D panorama of Central Park. Semonov takes photos for AirPano, a site where you can virtually experience spherical panoramas of places like Dubai and New York.Sergey Semonov via Architizer

Anatomy Of A Fall

Photographer Kerry Skarbakka shoots himself in a series of precarious positions suspended in mid-air. He sees human existence as a state of perpetual falling. We can't look away.Kerry Skarbakka via This is Colossal

Vega's Asteroids

Using NASA's Spitzer Space Telescope and European Space Agency's Herschel Space Observatory, astronomers have discovered what looks to be an astroid belt around Vega, the second brightest star in the northern night sky. This is an artist's interpretation.NASA/JPL-Caltech

Hiroshima

A rare photo of the atomic bombing in Hiroshima on August 6, 1945 was found in materials owned by a Honkawa Elementary School in Hiroshima City this week. It is believed to have been taken about half an hour after the bombing about six miles away from the center of the blast.Honkawa Elementary School/AFP via AFP

Ai Weiwei's Bikes

There are 760 bicycles in Chinese artist Ai Weiwei's latest sculpture, Stacked, premiering in San Gimignano, Italy.Ai Weiwei via It's Nice That

Holy GRAIL

A few days before its planned impact on the lunar surface near the moon's north pole, one of NASA's GRAIL spacecraft activated its camera and started taking video. It was about six miles above the northern hemisphere of the moon's far side. You can check out the whole video here.NASA/JPL-Caltech/MIT/SRS

Orion's Bullets

This photo of the Orion Nebula, taken by the Gemini telescope in Hawaii, shows off a technique called adaptive optics. Lasers and mirrors are used to counteract the distorting effect of Earth's atmosphere, resulting in especially detailed images.Gemini Telescope via BBC

Gaming World Record

Brett Martin, you can see, is a fan of video games. He was recently inducted into the Guinness Book of World Records' gaming edition, crowned as the person with the largest collection of gaming memorabilia in the world.James Ellerker/Guinness World Records via [Huffington Post

Telehealth Kiosks

HealthSpot plans on its telehealth kiosks working like this: Customers sign up for an appointment at a pharmacy ($59 to $79) and, even without health insurance, can beam into a doctor's office. Health instruments make for remote tests and the kiosk sterilizes itself after each visit. It was one of our favorite gadgets from CES, and you can check out the rest here.Suzanne LaBarre

Paper Lanterns

In Suphan Buri province, Thailand, Buddhist monks released paper lanterns to honor Lord Buddha and bless Thailand in the new year. You can check out more great photojournalism from this week at American Photo.Sukree Sukplang/Reuters via American Photo

Staircase Chair

Designer Sven Lamme created surreal, sort of comical chairs--like this spiral staircase-style one--for a project to make nature reserves in the Netherlands more inviting. See the other designs here.Sven Lamme via designboom

Jellyfish Nebula

The jellyfish nebula is usually elusive, but in this shot it's lit up by the nearby star Eta Geminorum.Dieter Willasch/Astro-Cabinet