51动漫

Features

Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with 51动漫鈥檚 exclusive in-depth articles, interviews and long reads.

star milkyway

Space

Why you should feel comforted, not scared, by the vastness of space

Some people find the scale of the universe existentially frightening, but here's why you should take it as a source of comfort

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Space

This mind-blowing map shows Earth鈥檚 position within the vast universe

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HY0AKX Little green alien and welcome sign welcomes visitors to a business in Roswell, New Mexico

Space

Why our location in the Milky Way is perfect for finding alien life

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https://www.esa.int/ESA_Multimedia/Images/2022/07/Stephan_s_Quintet_NIRCam_and_MIRI_imaging Stephan?s Quintet ? NIRCam and MIRI imaging An enormous mosaic of Stephan?s Quintet is the largest image to date from the NASA/ESA/CSA James Webb Space Telescope, covering about one-fifth of the Moon?s diameter. It contains over 150 million pixels and is constructed from almost 1,000 separate image files. The visual grouping of five galaxies was captured by Webb?s Near-Infrared Camera (NIRCam) and Mid-Infrared Instrument (MIRI). With its powerful, infrared vision and extremely high spatial resolution, Webb shows never-before-seen details in this galaxy group. Sparkling clusters of millions of young stars and starburst regions of fresh star birth grace the image. Sweeping tails of gas, dust and stars are being pulled from several of the galaxies due to gravitational interactions. Most dramatically, Webb?s MIRI instrument captures huge shock waves as one of the galaxies, NGC 7318B, smashes through the cluster. These regions surrounding the central pair of galaxies are shown in the colours red and gold. This composite NIRCam-MIRI image uses two of the three MIRI filters to best show and differentiate the hot dust and structure within the galaxy. MIRI sees a distinct difference in colour between the dust in the galaxies versus the shock waves between the interacting galaxies. The image processing specialists at the Space Telescope Science Institute in Baltimore opted to highlight that difference by giving MIRI data the distinct yellow and orange colours, in contrast to the blue and white colours assigned to stars at NIRCam?s wavelengths.

Space

How big is the universe? The shape of space-time could tell us

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Physics

Are space and time illusions? The answer could lie in black holes

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Physics

The universe is built a lot like a giant brain 鈥� so is it conscious?

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Physics

We are closer than ever to finally proving the multiverse exists

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Close up image of antibiotic resistant bacteria inside a biofilm.

Health

Why antibiotic resistance could make the last pandemic look minor

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Space

Is an old NASA probe about to redraw the frontier of the solar system?

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Technology

The truth about social media and screen time’s impact on young people

There are many scary claims about excess time on digital devices for children and teenagers. Here鈥檚 a guide to the real risks - and what to do about them

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Society

Why humanity鈥檚 survival may depend on us becoming a tribe of billions

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Health

The surprising mental health and brain benefits of weight-loss drugs

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Physics

What “naked” singularities are revealing about quantum space-time

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Environment

How dodo de-extinction is helping rescue the extraordinary pink pigeon

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