Professor Neil Shubin talks about the discovery of Tiktaalik and one of the greatest evolutionary events in Earth’s history: when the very first fish ventured out onto land. [Source: TheRoyalInstitution | Via IHC]
Eruptive events on the sun can be wildly different. Some come just with a solar flare, some with an additional ejection of solar material called a coronal mass ejection (CME), and some with complex moving structures in association with changes in magnetic field lines that loop up into the sun’s atmosphere, the corona. On July […]
Listen as Astrophysicist Neil Degrasse Tyson explains what can be done to protect Earth from an impact with a giant killer asteroid. [Via IHC]
No, but seriously geeks, is there anything this guy can’t do? I mean, it seems like he’s EVERYWHERE these days: Chatting with Captain Kirk on Twitter, answering questions on Reddit, singing along with the Barenaked Ladies, teaching people how astronauts cook, crap, wash and even clip their nails in space. Now what’s next Chris? How […]
Exciting isn’t it? :) This movie is composed of 73 radar images looped 9 times. Image resolution is at 4 meters per pixel. Radar observations of asteroid 2012 DA14 generated from data obtained by NASA’s Goldstone Solar System Radar on Feb. 15-16, 2013. During the observations, the space rock’s distance increased from 74,000 to 195,000 […]
The Folding Egg activity is actually an extension of the classic Rubber Egg experiment with a really fun twist. Just imagine the look on your friends’ faces when you show them an egg and then proceed to fold it in half several times until it forms a small white ball! Wait… it gets better. Just […]
A new episode of MinutePhysics which explores what the universe is. Enjoy! [MinutePhysics]
A new episode of True Facts by Ze Frank. This time, Ze takes a look at the Mantis, that crazy-looking insect that looks like it could snap your head from you shoulder if it would be just a little bigger. *Shivers. Previously on [GAS]: –True Facts About The Land Snail –True Facts About The Tarsier […]
Why doesn’t magenta appear in the rainbow? The answer lies not in physics but in biology. Science presenter Steve Mould demonstrates the strange phenomenon of colour mixing, in which not everything is as it seems. The cone cells within our eyes are responsible for the colours we see, but are only sensitive to Red, Green […]
Do you know the difference between a comet, an asteroid, a meteroid, a meteor and a meteorite? [Source: Tim Lillis – Narwhal Creative (on Flickr)]