Few of the monsters that evolution created have been so successful at hurting us as the variola virus, responsible for smallpox. The carnage it caused was so terrible and merciless that it compelled humankind,... continue reading
posted by eric3579 9 months 1 week ago • 143 views • 11:09search results matching tag: human power
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"Slim Goodbody shows teaches kids about the amazingly powerful human heart and the system of circulation. We take a trip back in history to see Dr. William Harvey and we see what an actual heart looks like."
posted by ant 1 year 4 months 1 week ago • 2 views • 13:35From YouTube, "The Earth is a gigantic ball of semi-molten rock, with a heart of iron as hot as the surface of the Sun. Titanic amounts of heat left over from its birth and the radioactive decay of trillions... continue reading
posted by w1ndex 1 year 7 months ago • 354 views • 11:59Createk third-arm : Supernumerary robotic arm powered by magnetorheological clutches and an hydrostatic transmission. Fast enough to compensate for human motions while being safe for physical human-robot interaction. ... continue reading
posted by newtboy 3 years 11 months ago • 123 views • 2:51Dr. Babak Sarani, director of trauma and acute care surgery at George Washington University Hospital, explains what bullets do to the human body. Source: Washington Post
posted by b4rringt0n 6 years 2 months 3 weeks ago • 368 views • 4:36"... Let's face it! The world hates fire ants. It is not hard to understand why seeing as they are a major domestic pest in many countries, as well as a very dangerous agricultural pest, like in the Unites... continue reading
posted by ant 6 years 6 months 3 weeks ago • 296 views • 15:53I built a water powered hammer called a “Monjolo”. I started by making a water spout from half a hollow log to direct water from the creek. This was set up in the creek and water flowed through it.... continue reading
posted by Joe Motion (lurgee) 7 years 2 weeks ago • 1,216 views • 8:51Predominately found in South and Central America, the Leafcutter Ant is truly an amazing creature. The complexity of teamwork and organization displayed in their societies is 2nd only to human beings and... continue reading
posted by Mordhaus 7 years 11 months 3 weeks ago • 281 views • 8:09YouTube Description: Jellyfish don’t have a heart, or blood, or even a brain. They’ve survived five mass extinctions. And you can find them in every ocean, from pole to pole. What’s their secret?... continue reading
posted by Aard Vark (oritteropo) 8 years 7 months ago • 170 views • 2:56The human visual system is extremely complex, but it makes repeated use of some tricks that can be exploited to produce interesting visual illusions. With even a high-level understanding of how the brain... continue reading
posted by cricket 8 years 8 months 2 weeks ago • 1,207 views • 4:56Greed is good. War is inevitable. Whether in political theory or popular culture, human nature is often portrayed as selfish and power hungry. UC Berkeley psychologist Dacher Keltner challenges this notion... continue reading
posted by enoch 9 years 4 months 3 weeks ago • 2,027 views • 4:37SciShow News explains the latest climate weirdness, and why the Global Warming Hiatus wasn’t really what it sounded like. Plus, see how humans have harnessed the climbing power of the gecko! -yt Sources: ... continue reading
posted by eric3579 9 years 5 months 3 weeks ago • 237 views • 5:04- 1