Human population News

Today around 1:30 pm, 8000 millionth child was born in the world. The UN Report on Population had already estimated that on November 15, the world's population would touch 8 billion. But now the question is, is the increasing population a disaster or an opportunity?

The tiger census was carried out on 3,81,400 sq km in 20 tiger-occupied states, in which camera traps were used at 26,838 locations in a span of 1.5 years.

Researchers have revealed that spiders wipe out an estimated 400-800 million tonnes of prey every year, compared to an estimated 280-500 million tonnes of prey that the world's whales eat.

For their research, the scientists analysed radiocarbon dates from Wyoming and Colorado that were recovered predominantly from charcoal hearths, which provide a direct record of prehistoric human activity.

It turns out the plague was plaguing humans far earlier than previously believed.New research using ancient DNA has revealed that plague has been endemic in human populations for more than twice as long as previously thought and that the ancestral plague would have been predominantly spread by human-to-human contact, until genetic mutations allowed Yersinia pestis (Y. pestis), the bacteria that causes plague, to survive in the gut of fleas.