time

Should We Make Daylight Saving Time Permanent? Let’s Sleep on It

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The U.S. Senate has passed Florida Senator Marco Rubio’s bill to make daylight saving time (DST) permanent across the country, which would end the practice of turning clocks forward in spring and back in autumn. For the Sunshine Protection Act to become law, the House of Representatives would need to approve it, and President Joe … Read more

This Beautiful Reconstruction of a Stone Age Woman Feels Almost Like Time Travel

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A Stone Age woman who lived 4,000 years ago is leaning on her walking stick and looking ahead as a spirited young boy bursts into a run, in a stunning life-size reconstruction now on display in Sweden.   Although her likeness is new – it debuted last month in an exhibit about ancient people at Västernorrlands Museum … Read more

Astra aces return-to-flight mission, deploys satellites for 1st time

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Astra bounced back from last month’s launch failure with a groundbreaking success, deploying satellites in Earth orbit for the first time ever. The California company’s two-stage Launch Vehicle 0009 (LV0009) lifted off from the Pacific Spaceport Complex on Alaska’s Kodiak Island today (March 15) at 12:22 p.m. EDT (1622 GMT; 8:22 a.m. local time on … Read more

The Touching Reason Prehistoric People May Have Collected And Reused Old Tools

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Prehistoric sites are full of stone tools that appear to have two life cycles: They’ve been crafted, used, and discarded before being picked up a second time and used again. A new study puts forward an interesting hypothesis as to why this is.   The research suggests that the recycling of these tools is about … Read more

A Neurologist Explains Why Daylight Saving Time Isn’t Healthy

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As people in the US prepare to turn their clocks ahead one hour in mid-March, I find myself bracing for the annual ritual of media stories about the disruptions to daily routines caused by switching from standard time to daylight saving time.   About a third of Americans say they don’t look forward to these … Read more

Here’s How The Human Brain Reboots Itself After The Deep Sleep of Anesthesia

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You may well have spent hours wondering what your laptop is up to as it takes its time to boot up. Scientists have asked the same question of the human brain: How exactly does it restart after being anesthetized, in a coma, or in a deep sleep?   Using a group of 30 healthy adults … Read more

Artificial intelligence: Simple mathematical trick could slash AI development time in half

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Training artificial intelligences to identify faces or digitise text involves thousands or millions of iterations of a two-stage process known as back-propagation, but a new approach could save time, energy and computing power Technology 10 March 2022 By Matthew Sparkes Cutting training time for AI could make face recognition systems more efficient iStockphoto Artificial intelligence … Read more

Best sci-fi movies of all time

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We’ve put together a list of the best sci-fi movies so you can make sure you’ve seen the best the genre has to offer. From battles with grizzly alien beasts, to somber tales of isolation and musings on what it means to be human, our list covers every corner of the sci-fi genre. It’s almost … Read more

Mars: Perseverance rover measures speed of sound on Mars for the first time

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Using a laser to strike rocks and a built-in microphone, NASA’s Perseverance rover has measured changes in the speed of sound on Mars due to temperature affecting the atmosphere Space 9 March 2022 By Alex Wilkins An illustration of NASA’s Perseverance rover NASA/JPL-Caltech The speed of sound on Mars has been measured for the first … Read more