Do rising methane levels herald a climate feedback loop?
[ad_1] Such “terminations” are visible in the geological record. When ice ages end, says Euan Nisbet of Royal Holloway, University of London, a sudden rise in airborne methane levels “is…
Fossil footprints found in New Mexico suggest humans existed long before we think – Times of India
[ad_1] NEW DELHI: Recent findings from a comprehensive analysis of fossilized human footprints are challenging the long-held belief that humans arrived in the Americas around 14,000 years ago, primarily based…