Alexi Pevtsov from the National Solar Observatory discusses studying solar activity.
(05:47)The human eye is tuned in to just a very narrow band of the electromagnetic spectrum. In fact, what we can see is just a tiny...
(04:00)Bryan Penprase discusses the difference between seeing and observing.
(00:51)Bryan Penprase discusses ancient GPS.
(01:56)Former Area 51 staff member Albert Wheelon talks about how hard the test planes were on the human body.
(01:31)A team of Nat Geo remote imaging engineers attempt to deploy crittercams on Great White Sharks.
(02:49)Attaching a crittercam to the dorsal fin of a Great White Shark is a risky endeavor.
(02:21)Is an extraterrestrial responsible for a rash of mysterious cattle deaths?
(02:23)Is a secret military base in California covering up evidence of UFOs?
(00:49)Continuing experimentation with nuclear bombs could be the solution to traveling at the speed of light.
(03:02)Jake runs a beauty contest with a very surprising outcome.
(02:30)When it comes to some aspects of dating being a jerk has its advantages.
(02:09)Cosmos: A Spacetime Odyssey, the global television event is coming soon!
(03:18)Tim shoots three objects in the back of a flatbed truck. Which will create the biggest explosion?
(02:11)Tim shows how color can make a big difference when it comes to laser beams and balloons.
(02:58)How to ride your bike around a wall, and why you fail.
(03:39)The proper way to rev your snowmobile during a jump to avoid a crash.
(02:51)If playing with fire you better understand the science that governs it and avoid these mistakes.
(02:45)David enlists the expertise of survivalist and animal tracker Shane to test out the strength of different shoelaces. Did we...
(02:54)There are all kinds of goodies in this clip. David sings! Weird looking paper airplanes! You’re going to enjoy this one.
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