China will launch test flights for the next two space rockets in its Smart Dragon series meant for commercial use in 2020 and 2021, the official Xinhua news agency reported on Sunday, as an expected boom in satellite deployment gathers pace.
Last year, just a handful of plants and animals in Zackenberg, Northeast Greenland were able to reproduce due to vast amounts of un-melted snow covering the ground well into summer, a study by Danish researchers found.
Australia’s Qantas on Sunday completed the first nonstop commercial flight from New York to Sydney, which was used to run a series of tests to assess the effects of ultra-long-haul flights on crew fatigue and passenger jetlag.
Pain perception is essential for survival, but how much something hurts can sometimes be amplified or suppressed: For example, soldiers who sustain an injury in battle often recall not feeling anything at the time.
If you've ever studied biology, you'll be familiar with mitochondria — the organelles often referred to as the 'powerhouse of the cell'. And you'll probably be aware that they're often compared to traditional AA batteries, with each organelle operating as a single unit.