Why are certain sounds scarier than others?
(01:16)Bill Nye believes that we have to create technology that we can communicate with.
(01:00)A volunteer’s tolerance of what he thinks is terrifying creepy crawlers is pushed to the limit.
(02:14)Dr. Neil deGrasse Tyson believes that we will be able to figure out how to desalinate water economically just as we were able...
(00:59)Our over-confident brains can leave us with a false sense of security about daily decisions.
(01:12)It’s a deadly accident when this skydiver’s parachute doesn’t open properly.
(02:26)See how your brain free associates during a test of memory.
(02:42)Dr. Neil deGrasse Tyson describes the long history of contests between biological and engineering solutions for human problems.
(01:06)Dr. Neil deGrasse Tyson explains the absurdity of our current method of getting energy and lists some of the endless...
(01:05)Robot scouts have been sent to Mars to send information back to us in a way we can relate to.
(00:47)Ómar Friðleifsson hopes that the future of this project will lead to more wells and therefore more energy.
(00:57)Tammy Ma talks about how just a little bit of sea water can go a long way.
(01:04)In the known universe, there are powerful forces at work. With the energy to create and the power to destroy. It’s the raw,...
(01:22)Knowledge of Pluto is limited. Only in the last 20 years have we been able to make useful observations.
(03:00)LIGO's (Laser Interferometer Gravitational Wave Observatory) Jay Marx discusses using gravitational waves.
(01:10)Polar bears spend much of the year out on the solid ice, but when the white land cracks, it’s time to move on. Their latin...
(03:02)Investigators examine how Andrew survived this crash.
(02:28)The lost world webisode from Diving the Labyrinth series on National Geographic Channel
(03:05)The Air Force replicates the G forces from the fatal skydiving accident.
(02:46)Bryan Penprase discusses the difference between seeing and observing.
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