human population

Spiders beat humans, whales by consuming upto 800 million tones of prey each year

Spiders beat humans, whales by consuming upto 800 million tones of prey each year

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.

Mar 15, 2017, 12:14 PM IST
Agriculture didn't spur growth of human population

Agriculture didn't spur growth of human population

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.

Dec 22, 2015, 17:00 PM IST

Black Death plagued humans since Bronze Age

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.

Oct 23, 2015, 09:19 AM IST
Himachal wants monkeys off its back

Himachal wants monkeys off its back

With the exploding monkey population in Himachal Pradesh posing a major challenge to its human population, it is being now debated whether to allow their select culling or translocation and, if nothing works out, exporting them out of the state.

Nov 20, 2014, 20:15 PM IST

New database on plants to spur global research

In a move that may help scientists preserve plants better, botanists at Trinity College, Dublin have launched a database with information for nearly 600 plant species across the globe.

Nov 10, 2014, 15:34 PM IST

Human greed driving species towards extinction: Study

In a disturbing trend, scientists have reported that species are becoming extinct as much as 1,000 times more frequently - 10 times worse than the previous estimates - owing to human population growth and increasing per capita consumption.

Sep 03, 2014, 11:56 AM IST

Invertebrate numbers slashed by 45% on average over 3 decades

A new study has revealed that invertebrate numbers have decreased by 45 percent on average over a 35 year period in which the human population doubled.

Jul 25, 2014, 16:48 PM IST

First significant expansion of human population happened 60,000 yrs ago

The dispersal and expansion of Neolithic culture from the Middle East has recently been associated with the distribution of human genetic markers.

Sep 25, 2013, 15:09 PM IST

Growth in human population could wipe out many species within 40 yrs

The global growth in the human population has the potential to threaten hundreds of species with extinction within 40 years, a new research has shown.

Jun 20, 2013, 13:34 PM IST

Rising oceans will impact humans well beyond coasts

Analysis of rising sea level makes it clear that planning ahead will be crucial.

May 28, 2011, 16:16 PM IST