You’ve Got a Rare Chance to See a Huge Asteroid Fly by Earth This Week. Here’s How

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In a slow-moving universe, asteroids give us a rare chance to see things moving in real time. We have such a chance coming right up on the evening of Tuesday, January 18th, when 1.1-kilometer asteroid (7482) 1994 PC1 passes 1.23 million miles (1.98 million kilometers) from Earth.   This is about five times the distance … Read more

Spectacular Lost Highways of Ancient Arabia Discovered by Archaeologists

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The road to life in the Arabian desert might once have been paved with the dead. In what is now Saudi Arabia, archaeologists have revealed an impressive network of lost highways, marked by human tombs, that link one oasis to another.   Many thousands of years ago, these roads would have led Bedouin people and … Read more

Dimming The Sun Is a Dangerous Gamble And Should Be Banned, Scientists Warn

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Planetary-scale engineering schemes designed to cool Earth’s surface and lessen the impact of global heating are potentially dangerous and should be blocked by governments, more than 60 policy experts and scientists said on Monday.   Even if injecting billions of sulphur particles into the middle atmosphere – the most hotly debated plan for so-called solar radiation … Read more

Mars rover detects carbon signature that hints at past life source | Science

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Since 2012, NASA’s Curiosity rover has trundled across Mars, drilling into rocks and running the grit through a sophisticated onboard chemistry lab, aiming to tease out evidence for life. Today, a team of rover scientists announced an intriguing signal, one that may or may not be evidence of past life, but is, at the very … Read more

Sleep: Unknown voices spark more activity in sleeping brain than familiar ones

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Unfamiliar voices seem to put the sleeping brain on alert in a way that familiar voices don’t Humans 17 January 2022 By Jason Arunn Murugesu Electroencephalography (EEG) is used to monitor brain activity Shutterstock / NPS_87 The sleeping brain is more active if it hears unfamiliar voices rather than familiar ones. The finding suggests that … Read more

This Medieval Italian Man Replaced His Amputated Hand With a Knife

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In 2018, archaeologists described a truly fascinating puzzle. It looks like this medieval Italian man went through life with a knife attached to his arm, in place of his amputated hand.   The skeleton in question was found in a Longobard necropolis in the north of Italy, dating back to around the 6th to 8th centuries … Read more

Ozone pollution: Gas causes $63 billion damage per year to East Asian crops

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Rising levels of ground-level ozone in China and nearby countries are having a big effect on the yields of staple crops such as wheat, rice and maize Environment 17 January 2022 By Michael Le Page Emissions from vehicles in places like Beijing, China, are contributing to a rise in ozone pollution in East Asia AerialPerspective … Read more

Striking satellite photo captures Mount Vesuvius peering through a hole in the clouds

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In this image captured Jan. 2 by the Landsat 8 satellite Mount Vesuvius is clearly visible through a circular hole in the clouds. (Image credit: Joshua Stevens/Landsat/NASA Earth Observatory) One of the world’s most dangerous volcanoes, Mount Vesuvius, appears to “peer up” into the sky through an eerily circular hole in the clouds in this … Read more