A side effect of these chemical reactions is a lot of heat. The fact that the chemical reactions in a fire generate a lot of new heat is what sustains the fire. Many fuels burn in one step. Gasoline is a good example. Heat vaporizes gasoline and it all burns as a volatile gas. There is no char. Humans have also learned how to meter out the fuel and control a fire.
Researchers just mapped their genome for the first time to find out. By Paca Thomas. Bowhead whales can live more than 200 years, and they rarely succumb to cancer or disease. Searching for clues about their longevity, researchers just mapped their entire genome. Watch more in the video above.
But hopefully a good, long life is an even better reward. The current world record holder for worldâs oldest dog is Bluey, an Australian Cattle Dog who, coincidentally, lived in Victoria, Australia, just like Maggie. Bluey lived from 1910 to 1939 and died at the age of 29 years and five months. He also lived on a farm.