Most people agree that the years seem to pass at an ever-accelerating rate. That’s because traditions, anniversaries and celebrations gradually accumulate and merge, so that the difference between each year and the previous one grows smaller and smaller.
Answered by Luis Villazon
Diverse thinkers, from the ancient Greek philosophers through contemporary quantum cosmology and eternal inflation theory, have called time an illusion. For them, the perception of time passing...
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Air crash investigators have found that flight stewards in rear-facing seats have suffered less severe injuries in accidents than forward-facing passengers. This is because the energy from the...
Yes. The blunt end of an egg has an air pocket between the inner and outer shell membranes. This gradually enlarges as the egg loses moisture during storage. Keeping the air pocket at the top...
Smells in themselves do not cause harm. A smell is a neural response to airborne molecules binding to receptors in the mucus membranes of your nose. You can't be harmed by a smell any more than...
Well we don’t know for sure, but probably something with fast DNA replication and cells that can quickly expand in size – organisms that inflate their cells with lots of water are a...
Although it's often said that sound travels faster through denser materials, this is not true. The speed of sound increases with the stiffness of a medium and decreases with its density (it's...
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Although identical twins share the same DNA, they don't look identical cell-for-cell, because not every aspect of your physical appearance is rigidly determined by your genes. Fingerprints are...
Not necessarily. The Chernobyl accident was caused by staff overriding automatic fail-safe mechanisms to conduct a risky experiment; because of a design fault in the control rods, this led to the...
Pain is horrible, and you might think we'd be better off without it, but not so. On rare occasions, babies are born who can't feel pain and this means they keep damaging themselves. Some bite...
Most people agree that the years seem to pass at an ever-accelerating rate. That’s because traditions, anniversaries and celebrations gradually accumulate and merge, so that the difference...
Our distant ancestors used to, but then mutations created different antigens on the outside of red blood cells, leading to the different blood groups. The first of these is thought to have...
Because if you tickle yourself, you know what to expect. When someone else tickles you they can send you into spasms by touching you in unpredictable ways. This has been demonstrated using a...
It has been hypothesised that it evokes the sound of babies crying, but it's really not so much the sound itself as the thought of scratching our own nails down a blackboard. This is quite a...
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Diverse thinkers, from the ancient Greek philosophers through contemporary quantum cosmology and eternal inflation theory, have called time an illusion. For them, the perception of time passing...
Air crash investigators have found that flight stewards in rear-facing seats have suffered less severe injuries in accidents than forward-facing passengers. This is because the energy from the...
While Britons have pioneered all sorts of things from the steam engine and the computer to passenger jets and rugby football, we have dismally failed to maintain world dominance in much at all...
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