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21297 |
duddy |
8 years ago |
150 thousand people are going to die today
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It's true, and this estimate is the same for tomorrow, and the day after. This video explains the Years of Life Lost measurement - a measurement which takes into account the age at which deaths occur by giving greater weight to deaths at younger age and lower weight to deaths at older age (more information can be found here). The video neatly displays the leading causes of death in each country from 2013. According to statistics, Saudi Arabia really needs to chill out with its driving antics given that death by vehicle is the leading cause of early death there at 19 people per day! ...
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23294 |
duddy |
8 years ago |
A Big Mac versus molten copper
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Here's what happens when you pour 1 984°F/1 085°C molten copper on a Big Mac. This demonstration has nothing to do with the fact that McDonald's uses preservatives in its ingredients. This is simply a demonstration of the Leidenfrost effect - a scientific principle explaining the phenomena that occurs when a liquid comes in near contact with a solid that is significantly hotter than its boiling point; the surface of the liquid comes to a nearly immediate boil, and creates a thin layer of protective steam. It's much the same effect as when one drops water onto a hot pan and the droplet is seen to dance across the surface. In this instance, the inherent moisture in the burger protects it for a few moments before the copper (at nearly 2 000 d ...
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12802 |
bio_man |
8 years ago |
A dancing spider
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Meet the peacock spider, it has the best dance moves you've ever seen.
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3892 |
duddy |
10 years ago |
A dedicated octopus
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Watch an octopus walk out of the water, drop a crab shell at the feet of some humans and amble back again.
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28996 |
duddy |
9 years ago |
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4793 |
duddy |
7 years ago |
A miniature wildcat
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The KodKod ( Leopardus guigna) is the smallest wildcat - it's even smaller than domestic cats. It lives primarily in central and southern Chile and marginally in adjoining areas of Argentina. Check out the video below for more information on this cute creature: ...
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2021 |
duddy |
8 years ago |
A shrimp is the world's loudest animal?
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Meet the pistol shrimp. It is known to be the loudest animal and can emit a sound up to 200 decibels which it uses to stun its prey using its pincers. Check out the video below:
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3287 |
duddy |
11 years ago |
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1 |
4155 |
bio_man |
10 years ago |
A wearable seat
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Need a seat? This new wearable Chairless Chair exoskeleton lets you sit down in thin air. See the prototype in action:
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10943 |
duddy |
9 years ago |
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1866 |
ehd123 |
8 years ago |
An Indian Bullfrog
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Here's how an Indian Bullfrog (Hoplobatrachus tigerinus) looks like during mating season.
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3163 |
duddy |
11 years ago |
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5757 |
duddy |
9 years ago |
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2027 |
duddy |
9 years ago |
Are you sitting too much?
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Now you have an excuse to take more breaks at work - tell your boss or TEACHER "science said so!".
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11850 |
duddy |
9 years ago |