natbob101's channel

Why do some years have an extra leap day and what is it for?

Also check out MinutePhysics' video: http://www.youtube.com/watc... & SciS...

my seconed toy review please leave comments!

Please stop complaining about problems you do nothing to solve. Create something. Anything.

http://www.twitter.com/mike...

http://www.faceb...

We're glad that nobody was injured in this potentially hazardous situation. If my memory is correct we bought lunch for some of the participants. ...

Graphics taken from http://www.americancensorsh... - or should I say, pirated from them.

John "TotalBiscuit" Bain is a UK Law graduate, profess...

A Doctor-Professor answers the old question "What is the single best thing we can do for our health" in a completely new way.

Dr. Mike Evans is fo...

Un particular agradecimiento a http://www.technogym.com/we... por la traducción al español del video viral del Dr Mike Evans "23 and 1/2 Hours"....

An excellent tutorial from the 1930's on the principles and development of the Differential Gear. Fast Forward to 1:50 if you want to skip the intro.

Have you ever seen a cashew apple? They're delicious.

I messed up my latest video and decided to refilm some of it. This means random stuff I lea...

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NECESSARY INFORMATION AND LINKS

Facebook: http://www.facebook.com/lep......

A spoof of Jeopardy done as a class project with questions about the Temperate Deciduous Forest.