Columbia University engineers have developed a one-chip system with a fully functioning electronic circuit small enough to be injected into the body with a hypodermic needle to help control medical conditions.
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The Irish Health Service (HSE) has been hit by a "very significant" ransomware attack, which forced it to shut down its IT systems, causing some disruption.
Air must be regulated in the same way as food and water to prevent the next pandemic, a team of experts said.
A machine learning algorithm has been developed that can detect which patients with Covid-19 may get worse and do not respond positively to turning on their stomach in intensive care units (ICUs).
Researchers in the US have developed a communication method for people with paralysis that uses a computer to convert mental handwriting into words on the screen.
Researchers have designed a stable lithium-metal solid-state battery that can be charged and discharged at least 10,000 times - many more cycles than previously shown - with a high current density.
Current plans for Gigafactories in the UK point to a shortage of more than 95GWh in battery production by 2040, a report warns.
Tesla founder Elon Musk has said his company may release an upgraded version of its self-driving vehicle software in the coming months and tweak the software to eliminate a phantom braking problem.
Dams have a net negative impact on climate change, as they release twice as much carbon as they store, researchers have found.