(Credit: Mike Orlov/shutterstock)
How many breathless older smokers rue the day they first inhaled nicotine and tar?
Someday, adolescents sucking tobacco-free Mods and Juuls could face similar regret.
Initially hailed as a smoking cessation breakthrough, e-cigarettes have now been raising red-flags for years. Thanks to nicotine, vaping can be just as addictive as true cigarettes. And even if youthful vapers never drag on a Camel, preliminary evidence suggests they may still get chronic bronchi ...read more
(Credit: bitt24/Shutterstock)
Vitamins and other nutrients that we cannot make for ourselves are called essential. It’s a misleading term because “essential” most often means “important,” but in the world of dietetics, it denotes that we must obtain it in our diets. For example, vitamin Q, also called ubiquinone, is extremely important – it’s crucial for cellular respiration in the mitochondria – but it is not deemed essential because our cells s ...read more
The Dukovany Nuclear Power Station in the Czech Republic. (Credit: zhangyang13576997233/Shutterstock)
There are 99 nuclear reactors currently operating in the United States. The power they generate is free of carbon dioxide emissions, but as a byproduct, they also generate small amounts of nuclear waste in the form of depleted uranium.
Even after the uranium in the fuel reactors is spent, or depleted, it remains radioactive, and that means storing it is difficult. Controversy over a permanent ...read more
As more than 140 new wildfires erupted in British Columbia and Washington State, a weather satellite captured this dramatic imagery
An animation of satellite imagery shows multiple wildfires burning across British Columbia and other parts of the Pacific Northwest. Areas of active burning look like glittering embers in a campfire. (Source: RAMMB/CIRA/GOES-16 Loop of the Day)
Wildfires blazing in California have received a huge amount of attention in recent weeks. But this summer& ...read more
Researchers say a new Utah pterosaur, skull fragments sketched in (b), appears closely related to another species of the flying archosaur from England (c). (Credit Britt et al 2018, https://doi.org/10.1038/s41559-018-0627-y)
More than 200 million years ago, a shadow traveled across the hot, arid landscape of what’s now the western United States. It belonged to a Late Triassic pterosaur that may have been the biggest of its time. Describing its size, features and home turf, resea ...read more
Author Vishay SinghPosted on Categories Discover Magazine
