Blow light is the world’s smallest wind generator, making it a great environmentally friendly toy.
To use it, you just blow on the rotor to light up the LEDs. When the rotor blade turns it creates electricity to power two blue and one green LED lights.
For decades, researchers have puzzled over why rich northern countries have cancer rates many times higher than those in developing countries — and many have laid the blame on dangerous pollutants spewed out by industry.
But research into vitamin D is suggesting both a plausible answer to this medical puzzle and a heretical notion: that cancers and other disorders in rich countries aren’t caused mainly by pollutants but by a vitamin deficiency known to be less acute or even non-existent in poor nations.
This is awesome.