Studies in the 1970s showed that people couldn’t get overweight or develop cardiovascular diseases from consumption of carbohydrates such as sugar. A Norwegian professor thinks we are still paying for this mistake.
It has been almost 30 years since the Chernobyl nuclear disaster sprayed radioactive fallout across parts of Europe. Nevertheless, Norwegian officials have measured much higher levels of radioactive contamination than usual in grazing animals this autumn.
Researchers at Sweden’s Uppsala University have developed a technique to extract the lithium from spent batteries and combine this with renewable biological material, to create a battery with a similar energy capacity to that of ordinary lithium-ion (Li-ion) batteries.