The study reveals that although teaching is useful, it is not essential for cultural progress because people can use reasoning and reverse engineering of existing items to work out how to make tools.
Stem cells that have been specifically developed for use as clinical therapies are fit for use in patients, an independent study of their genetic makeup suggests.
In a new study published today in the journal Nutrients, research from the University of Surrey and the Children's Liver Disease Foundation has found that both obese children and those with non-alcoholic fatty liver disease are not meeting the UK recommendations for a variety of vitamins and minerals.
Frank Paul, a glaciologist at the University of Zurich in Switzerland, has created animations from satellite images of the Karakoram mountain range in Asia to show how its glaciers flow and change. The images of four different regions compress 25 years of glacier changes into just one second, revealing the complex glacier behavior in the Karakoram. The animations are published today in The Cryosphere, an open access journal of the European Geosciences Union.