By BBC Focus
The large booklet of Why
Brand-new specified variation from BBC concentration – the massive booklet Of Why?
Aimed at curious readers elderly wherever among nine and ninety, the large publication Of Why? solves a variety of clinical questions and conundrums approximately how existence works. With solutions supplied by way of the crack group of specialists at the back of BBC concentration, each web page bargains enlightenment and revelation. Why can we have knowledge the teeth? Why do tigers have stripes? And why is it more secure to take a seat backwards on a plane?
Also, a different the way it Works part finds the state of the art considering and engineering in the back of the newest know-how – from formulation E racing vehicles to robotic exoskeletons.
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Example text
While chess becomes more computationally straightforward as the game progresses and pieces are removed, Go requires more judgment and intuition. These attributes are more suitable to human intelligence than machine algorithms. I N NUMBE RS 221 The average amount of times that a British smartphone user checks their device each day, according to a study commissioned by Tecmark. WHAT’S THE BEST WAY TO BRUSH YOUR TEETH? A recent study by Prof Aubrey Sheiham and colleagues at University College London found an “unacceptably inconsistent array of advice” from dental associations, dentists and toothbrush companies.
Incredible, considering they are now extinct. ANIMALS If you fed cows strawberries, would it give their milk a strawberry flavour? Feeding strawberries to cows might seem extravagant, but fruit farmers often have a lot of leftover produce that isn’t good enough to sell. A 2007 study looked at the practicalities of feeding leftover pears and peaches to dairy cattle, but it made no mention of any effect on the taste of the milk. This may be because fruit flavours don’t hang around for long – the Copenhagen breastmilk study found that noncitrus fruit flavours only affected the milk for a few hours.
So it’s probably genetic. It could also be related to your taste sensitivity. People who are more sensitive to bitter compounds are more likely to get motion sickness. Is it best to charge your mobile from empty or half full? Nickel-based batteries were blighted by the ‘memory effect’ and would lose capacity unless discharged completely on a regular basis. Most phones nowadays have lithium batteries, and these do not suffer from the memory effect. In fact, it is good for them if you top the batteries up rather than deplete them completely.