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Sleep: Even a low level of light at night may disrupt your blood sugar

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Leaving even a dim light on while you sleep may disrupt blood sugar control, a small study in humans suggests Health 14 March 2022 By Clare Wilson Sleeping with a night light on might have down sides Shutterstock / Realstock Keeping the TV or a bedside light on overnight could slightly disturb your sleep – … 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

‘Heartbeat’ of Black Holes Solves Decades-Old Mystery of Plasma Jets

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Fluctuating light from a black hole, observed over 15 years, has revealed more about the way these enigmatic objects feed. First, a structure called a corona forms around the outside of the event horizon. Then, powerful jets of plasma launch from the poles, punching material from the corona out into interstellar space at speeds close … Read more

Dying Light 2 review: Avoiding zombies in a game with nods to covid-19

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In Dying Light 2, a variant of a virus has turned people into zombies Techland Dying Light 2 Stay Human Techland PC, PlayStation 4 and 5, Xbox One and Series X/S IN APRIL 2020, soon after the UK entered its first lockdown, I reviewed the zombie-packed Resident Evil 3, describing it as noticeably “pre-pandemic fiction”. … Read more

NASA’s NuSTAR uses ‘nuisance’ light

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After 10 years fighting back photons in its peripheral vision, a NASA space telescope now has a way to use “nuisance light” to potentially increase its science productivity. NASA’s NuSTAR (Nuclear Spectroscopic Telescope Array) X-ray space observatory successfully gathered information about a super-dense star, known as a neutron star, that was in its peripheral vision. Engineers … Read more

The ‘Powerhouse of The Cell’ Could Be Secretly Helping Mammal Eyes Process Light

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For you to read this article, the eyes have to perform quite the task – light enters the cornea and travels through the pupil and lens to the retina at the back, where light-sensitive cells such as cones and rods then pass things on to the brain via electrical signals in the optic nerve.   … Read more

Metamaterials: Kirigami pattern creates light yet strong paper structures

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A chequerboard pattern based on kirigami, the Japanese art of paper cutting, enables thin and light structures to support much heavier loads Technology 1 March 2022 By Alex Wilkins A metamaterial inspired by kirigami, the Japanese art of paper cutting, can support nearly 3000 times its own weight. Metamaterials have structures not found in nature, … Read more

A mystery in Jupiter’s atmosphere sheds light on solar system’s past

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Jupiter’s atmosphere has a strange composition, but it could be explained if the planet formed farther away from the sun than where it orbits today, a new study suggests.  Scientists have known since NASA’s Galileo mission in the 1990s that the atmosphere of the largest planet of the solar system contains heavier chemical elements, elements … Read more

A Major Signal From ‘The First Stars’ May Not Have Come From Space at All

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A signal interpreted as the first light illuminating the Universe may not be from the far reaches of the Universe after all, a new study has found. In fact, it may not even be from space.   Far from being a problem, however, this new finding may just set the Universe to rights. The signal, … Read more