For centuries, modern violin makers have tried in vain to recreate musical instruments that sound as good as the ones the Italian masters made in the 17th century. Researchers now think that the wonderful music from a Stradivarius is due to the density of the wood it was made from and that, in turn, has to do with how COLD the weather was at that time.
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We need to think about OZONE again! – We’ve warned about food shortages before, but now there’s a new reason crops are being damaged: ozone. Global warming, bee deaths, droughts and fuel prices are just a few reasons for the current global food crisis that is making headlines around the world. Rising levels of ozone in the atmosphere from vehicle emissions are also part of the problem, lowering the yield of important food crops, such as wheat and soybeans.
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Researchers are already trying to solve our commuter traffic jams by inventing small planes that we can use instead of cars. Now another inventor has an even BETTER idea: Personal “Iron Man”-style flying machines that you WEAR!
BBC News quotes Sir Clive Sinclair, one of the inventors of the electric car, as saying, “I’m sure it will happen and I am sure it will change the world dramatically?The vehicle would take off from your home and fly to wherever you want to go.”
click here to see a demonstration. Art credit: freeimages.co.uk
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Asteroids have hit the earth many times, causing major extinctions and leaving tell-tale craters?and it turns out there are gigantic craters on Mars as well. Perhaps they wiped out life there as well?
A huge gash that has been discovered on Mars has long proven is the largest known crater in our solar system?so big, that it reshaped the planet by blasting away much of the planet?s crust in the area where it hit over 4 billion years ago.
In New Scientist, David Shiga reports that this conclusion goes along with “other evidence that numerous large projectiles were careening through the inner solar system at this time, such as the Mars-sized planet that walloped the primordial Earth and formed our Moon, yet left no trace on Earth.”
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