Chemical analysis of 50,000-year-old fossilized droppings found in Spain suggest that Neanderthals ate more greens than previously thought. Researchers compared the levels of chemicals such as coprostanols – formed from meat in the digestive tract – to those of other chemicals like 5b-stigmastanol, which are digestive products of plants. They conclude that while Neanderthals ate […]
Tag: human
Climate change effects and human migration
Long-term changes in climate have a greater impact on human migration than sudden natural disasters, a new study shows. Authors tracked 7,185 households in Indonesia between 1993 and 2007, focusing on agricultural regions. They found that when average annual air temperatures exceeded 25 °C, households were more likely to migrate permanently for economic reasons. Natural […]