Posts Tagged ‘Video’
Your brain processes everything you see depending on what is surrounding it. Perception is everything …
Gallium is a chemical element with symbol Ga and atomic number 31.
It is a metal and also happens to melt at a temperature of about 29.76 °C (85.57 °F) (slightly above room temperature). Which can be pretty interesting …
Have you noticed how the full moon looks bigger on the horizon than high overhead? Actually, the two images are exactly the same size — so why do we perceive them differently? Scientists aren’t sure, but there are plenty of intriguing theories …
The iodine clock reaction is a classical chemical clock demonstration experiment. Two colorless solutions are mixed and at first there is no visible reaction. After a short time delay, the liquid suddenly turns to a shade of dark blue. Learn more here.
Our bodies function necessarily under the presence of gravity; how blood pumps, a sense of balance and bone growth are all due to life in a world where gravity is an inescapable reality. Armed with experiments from neuroscientists David Hubel and Torten Wiesel, astronaut Jay Buckey presents a thought experiment: How would our bodies work without the force of gravity?
It’s easy to forget plants are “alive”, because they hardly move on their own. No more. This timelapse of plants growing and blooming and shooting up and blossoming shows plants move all the time.
When molecules collide, chemical reactions can occur — causing major structural changes akin to getting a new arm on your face!
How does evolution really work? Actually, not how some of our common evolutionary metaphors would have us believe. For instance, it’s species, not individual organisms, that adapt to produce evolution, and genes don’t “want” to be passed on — a gene can’t want anything at all!