Shape Of Martian Pebbles Reveals A Knee-Deep River Once Flowed On The Surface

photo credit: A model of pebbles on Earth provided information on Mars. Martin Stiavnicky/Shutterstock. Share on facebook12.7K Share on twitter16 Share on reddit Share on google_plusone_share More Sharing Services When the Curiosity rover started returning pictures from the Gale Crater on Mars, scientists were somewhat surprised to find that there appeared to be pebbles on…

DARPA Wants “Vampire Drones” That Vanish In Sunlight

photo credit: concept w/Shutterstock Share on facebook17 Share on twitter4 Share on reddit Share on google_plusone_share More Sharing Services Drones are everywhere these days: from using them to take elaborate selfies to launching missiles at military targets, delivering aid to war-torn areas to imaging the deadly environment around lava lakes, they appear to be the multipurpose…

Kidney Failing? Grow A New One

photo credit: Image of a mini-kidney formed in a dish from human induced pluripotent stem cells. Minoru Takasato Share on facebook43 Share on twitter7 Share on reddit Share on google_plusone_share More Sharing Services Kidneys are not romanticised like the heart, or held on high like the brain. But these fist-sized organs are integral to our…

NASA Chief Suggests The U.S. May Start Working With China In Space

photo credit: Charles Bolden, pictured in 2011. NASA. Share on facebook28 Share on twitter2 Share on reddit Share on google_plusone_share More Sharing Services NASA has long been forbidden from partnering with China; according to policy drawn up in 2011, the U.S. Congress stated firmly that the agency cannot collaborate “in any way with China.” Comments from NASA…

This Self-Driving Car Comes With A Landing Pad For A Drone

photo credit: What could possibly go wrong? Rinspeed. Share on facebook18 Share on twitter9 Share on reddit Share on google_plusone_share More Sharing Services How would you feel about a drone delivering items to your car – while speeding along a road? That’s the idea behind this concept vehicle, which includes a “landing pad” on the…

Change Is Possible When Sexual Harassment Is Exposed

photo credit: Why should astronomy be different from any other field when it comes to sexual harassment? Flickr/PROnate, CC BY-NC-ND Share on facebook6 Share on twitter2 Share on reddit Share on google_plusone_share More Sharing Services When the news broke in the United States about a high-profile astronomy professor, Geoff Marcy, receiving a lukewarm reprimand for…

Chemical Messengers: How Hormones Affect Our Mood

photo credit: Some women are very sensitive to small shifts in hormones, others aren’t. Petras Gagilas/flickr, CC BY Share on facebook14 Share on twitter4 Share on reddit Share on google_plusone_share More Sharing Services “It’s that time of the month – stay away from her!” The process of shedding the uterine lining with vaginal bleeding every…

New Sunken Treasure Discovered In The Ancient Antikythera Shipwreck

photo credit: The excavation included a 10-man team equipped with closed-circuit rebreathers and trimix breathing gases. Brett Seymour, EUA/ARGO Share on facebook20.3K Share on twitter95 Share on reddit Share on google_plusone_share More Sharing Services More than a century ago, Captain Dimitrios Kondos gave the order to wait out a violent storm on the Greek island…

NASA Paid This Guy $18,000 To Lie In A Bed For 70 Days

photo credit: Drew, pictured, was monitored 24/7 during the study. Image used with permission via Drew Iwanicki. Share on facebook36.2K Share on twitter102 Share on reddit Share on google_plusone_share More Sharing Services Would you take $18,000 (£11,700) to stay bed-ridden for 70 days straight? And we mean bed-ridden; you must remain horizontal at all times (yes,…