Exceeding a 1.5C rise in global temperature imperils already vulnerable Hindu Kush Himalayan region, experts say after IPCC synthesis report, as UN chief demands more from G20 countries

When the bacillus affects other parts of the body, it is called extrapulmonary TB. The bacteria can infect virtually every other organ in the body. Non-pulmonary cases accounts for 15-20% of all reported TB cases.

A team of Japanese and American scientists has analysed samples taken from the asteroid Ryugu in 2018 by the Hayabusa2 mission and found uracil, one of the five key bases of the RNA and DNA molecules that are crucial to life as we know it.

Scientists are finding tumor signals in spit that could be key to developing diagnostic tests for various types of cancer.

Children around the world were out of school for months, with big impacts on learning, well-being and the economy. How do we avoid a ‘generational catastrophe’?

The trail starts in the interstellar medium with hydrogen and oxygen gas and ends with oceans and ice caps on planets, with icy moons orbiting gas giants and icy comets and asteroids that orbit stars. The beginnings and ends of this trail are easy to see, but the middle has remained a mystery.

Around 30% of respondents in a survey attributed the shrinkage of agricultural lands and their subsequent conversion to apple orchards to depleted stream flows – which in turn is linked to glacier melt.

While the numbers are hard to pin down, some researchers say their colleagues have overstated the risks.