Cosmonaut Alexei Leonov trains for the Apollo-Soyuz mission in April 1975 . (Credit: NASA)
Soviet cosmonaut Alexei Leonov, the first
person to walk in space, has died at the age of 85 at the Burdenko Military
Hospital in Moscow. His death was announced Friday, Oct. 11, by Roscosmos,
Russia’s space agency.
Born in 1934, Leonov became the eleventh Soviet
cosmonaut and achieved major milestones of space exploration. During the
Voskhod 2 mission, on March 18, 1965, he exited his capsule ...read more
The new study still finds that reducing unprocessed red meat consumption by three servings in a week is associated with an an approximately eight per cent lower lifetime risk of heart disease, cancer and early death. (Credit: Shutterstock)
Another diet study, another controversy and the public is left wondering what to make of it. This time it’s a series of studies in the Annals of Internal Medicine by an international group of researchers concluding people need not reduce t ...read more
A more realistic simulation of the black hole featured in the movie Interstellar. (Credit: James et al./IOP Science)
In the 2014 movie Interstellar, astronauts investigate planets orbiting a supermassive black hole as potential homes for human life. A supermassive black hole warps surrounding space-time, according to Einstein’s theory of general relativity, and at least one of the planets in the movie, called Miller’s planet, experienced time passing at a slowed-down rate. For eac ...read more
Do eyelashes exist, in part, to keep our eyes from drying out? (Credit: KDdesignphoto/Shutterstock)
Why do we have eyelashes? The answer might seem simple: those thick hairs on the end of our eyelids simply exist to block intruding particles from landing on our eyeballs.
And in fact, that’s what many scientists have hypothesized. It explains why camels evolved to have long lashes for wandering the dusty desert and why our house pets, in comparison, have stumpy ones.
But it tu ...read more
Volcanic plume from Soufriere Hills on Montserrat, see from the ISS on October 11, 2009. Image: NASA.
Carbon dioxide! Little did we realize 100 years ago how this simple gas would become such a cultural lightning rod. Yet, here we are, battling what might be an existential fight that is focused on how much carbon dioxide humans pump into Earth's atmosphere. It isn't a little bit, either. No, humans might be now be the gold standard in carbon dioxide emissions in the history of the planet. ...read more
Author Vishay SinghPosted on Categories Discover Magazine