杏吧原创

The magnetic slime that could retrieve accidentally swallowed objects

A robot made of magnetic slime with a custard-like consistency can navigate narrow passages, grasp objects and fix broken circuits.

A person walks past a mural of medical workers in M茅rida, Mexico, in February

Health

Should I worry about ‘deltacron’ and other covid-19 recombinants?

Technology

Robot made of magnetic slime could grab objects inside your body

Mandatory Credit: Photo by Maureen McLean/Shutterstock (12761084a) Traffic queuing westbound on the M4 in Dorney, Buckinghamshire, UK, on January 14, 2022. There have been frequent accidents on the M4 whilst it is being upgraded to an "all-lane running" smart motorway. There are narrow lanes and the hard shoulder has been removed but the new intermittent refuge areas are not in operation yet. 38 people have died on Smart Motorways in the past five years in the UK. The roll out of any new Smart Motorway upgrades in the UK is currently on hold pending a safety review. M4 Smart Motorway Upgrade, Dorney, Buckinghamshire, UK - 14 Jan 2022

Environment

UK greenhouse gas emissions jumped by a record amount last year

Life

Rare albino turtle discovered in India

Woman putting a well dried log into a glowing wood burning stove.

Health

Health impacts of wood burning cost EU and UK 鈧�13 billion a year

RCHDGR . Die Pithecanthropus-Schichten auf Java. Geologische und palaontologische Ergebnisse der Trinil-Expedition (1907 und 1908), ausgefuhrt mit Unterstutzung der Akademischen Jubilaumsstiftung der Stadt Berlin und der Koniglich bayerischen Akademi der Wissenschaften. Geology; Paleontology; Homo erectus. Sdenka-Trinu-Expedition. Tafel III.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Selenka, Lenore; Blanckenhorn, Max Ludwig

Humans

Fate of buried Java Man revealed in unseen notes from Homo erectus dig

Health

Zero-covid strategies are being ditched, but they were the best option

Peregrine Falcon in New Jersey; Shutterstock ID 1039827799; purchase_order: -; job: -; client: -; other: -

Life

Reality TV for birds shows that conservation research can pay off

Mandatory Credit: Photo by Martin Meissner/AP/Shutterstock (12872560a) Wind turbines produce power during sundown in Emlichheim, Germany, . The head of the International Renewable Energy Agency says "radical action" is needed to ensure global warming doesn't pass dangerous thresholds, warning that greenhouse gas emissions are heading in the wrong direction Energy Transition, Emlichheim, Germany - 18 Mar 2022

Humans

Europe must tackle its energy crisis now or face a very painful winter

With energy prices set to rise, European governments must act immediately to reduce consumption and turbocharge renewables

Space

Furthest star ever seen offers glimpse 12.8 billion years into past

Mind

Where you grew up influences how well you navigate the world

Health

Health Check newsletter: Six lessons from the covid-19 pandemic

Health

Myocarditis and covid-19 vaccines: How rare is it and who is at risk?