51动漫

R25AWR Shenzhen, China's Guangdong Province. 16th Nov, 2018. An exhibitor shows f 4D printing works of ceramic samples at the 20th China Hi-Tech Fair (CHTF) in Shenzhen, south China's Guangdong Province, Nov. 16, 2018. Credit: Mao Siqian/Xinhua/Alamy Live News

Technology

Hackers could sabotage 4D printed objects to cause malicious failures

Attackers could gain access to printers and manipulate designs of parts such as aircraft propellers in ways that are difficult to detect

Domestic turkey

Life

Turkeys with pale plumage are more fearful than dark-feathered birds

Young soybean plant with flowers, close up macro. Small growing flowering soy, closeup. Purple soybeans bloom

Life

Plants prioritise keeping their flowers cool during hot, dry weather

Earth

Fix the Planet newsletter: The tide is turning for sea power

KP5B6H Woman applying HRT patch.

Health

Hormone replacement therapy doesn’t increase risk of dying early

An artistic representation of electrons

Physics

DeepMind AI helps study strange electrons in chemical reactions

Pasture and young secondary forest in Anhembi, Brazil

Environment

Tropical forests can regrow within 20 years on some abandoned farmland

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Macro coronavirus(covid-19) cell delta plus variant. B.1.1.529 E484Q L452R.COVID 19 Delta plus variant Sars ncov 2 2021.Mutated coronavirus SARS-CoV-2 flu disease pandemic, 3D render illustration; Shutterstock ID 2011480793; purchase_order: -; job: -; client: -; other: -

Health

We failed to prevent omicron 鈥� can we stop future variants evolving?

On August 31, 2012 a long filament of solar material that had been hovering in the sun's atmosphere, the corona, erupted out into space at 4:36 p.m. EDT. The coronal mass ejection, or CME, traveled at over 900 miles per second. The CME did not travel directly toward Earth, but did connect with Earth's magnetic environment, or magnetosphere, causing aurora to appear on the night of Monday, September 3. Picuted here is a lighten blended version of the 304 and 171 angstrom wavelengths. Cropped Credit: NASA/GSFC/SDO NASA image use policy. NASA Goddard Space Flight Center enables NASA???s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA???s accomplishments by contributing compelling scientific knowledge to advance the Agency???s mission. Follow us on Twitter Like us on Facebook Find us on Instagram

Space

Monster cloud of plasma spotted spewing out of a distant star

A coronal mass ejection from the star EK Draconis was 10 times larger than any we have seen on our own sun

Life

Some dinosaurs could run at 45 kilometres per hour as they chased prey

Health

High-tech space sleeping bag could stop vision problems in astronauts

Environment

London cat ‘serial killer’ was just foxes, DNA analysis confirms

Technology

Snow-proof solar panels keep working even in icy weather