Meteorites splashing into warm ponds sparked life on Earth
Available evidence suggests that life began when the Earth was still taking shape, with continents emerging from the oceans, meteorites pelting the planet - including those bearing the building blocks of life - and no protective ozone to filter the Sun's ultraviolet rays.
Oct 03, 2017, 15:15 PM IST
How antibiotic-resistant bacteria can be eliminated
It is estimated that each year in the US, two million people become infected with bacteria that are resistant to one or more types of antibiotics, and at least 23,000 people will die because of these infections.
Oct 11, 2015, 18:12 PM IST
