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Spring equinox 2023: Why day and night aren't actually equal in length

20 March 2023

The 2023 vernal equinox in the northern hemisphere occurs on 20 March, but it’s not strictly true that this means day and night are the same length


US sailors recovering the Chinese high-altitude surveillance balloon

Chinese spy balloon: Everything we know after US recovers wreckage

10 February 2023

The US has recovered the wreckage of a Chinese surveillance balloon after shooting it down with a fighter jet last week – here's what has been discovered and what it might mean


Rangers in protective clothing collect dead birds on a beach

Should we be worried about bird flu spreading to mammals?

2 February 2023

Bird flu infections have been recorded in various mammals, including foxes and mink, but it is unclear whether the virus can be transmitted from one mammal to another


Colorful fish swim around coral in French Frigate Shoals in Papah?naumoku?kea Marine National Monument.; Shutterstock ID 1810247125; purchase_order: -; job: -; client: -; other: -

COP15: What is the 30 by 30 biodiversity target and is it enough?

16 December 2022

Under the 30 by 30 biodiversity target, countries would pledge to protect 30 per cent of land and sea, but that may not be enough to reduce biodiversity losses


NIF Livermore July 2008 https://lasers.llnl.gov/media/photo-gallery?id=nif-1209-18050

Nuclear fusion: Has there been a breakthrough and what will it mean?

12 December 2022

Rumours suggest the US National Ignition Facility has made a significant advance in nuclear fusion, though there are still many hurdles to overcome


Logo for Galactica by Meta

Meta's Galactica AI can write scientific papers, but is it any good?

18 November 2022

An artificial intelligence from Facebook owner Meta that is designed to write scientific research papers and Wikipedia articles has attracted criticism over its accuracy and public access has been removed


An Ethereum office

Ethereum Merge: What will the radical update mean for cryptocurrency?

13 September 2022

The electricity consumption of the Ethereum cryptocurrency rivals that of some countries, but a controversial update to how it works will slash this by 99 per cent – here's the low-down on what's going on


A cracked bitcoin token

If cryptocurrencies are unhackable, how do they keep getting stolen?

5 August 2022

News of a $190 million cryptocurrency theft emerged this week, despite cryptocurrencies being designed to be unhackable. Here's the low-down on what is going on and how safe bitcoin or other cryptocurrencies are


Royal Mint NFT

Why is the UK government getting into NFTs and is it a good idea?

5 April 2022

The UK has announced plans to create its own non-fungible tokens in a bid to demonstrate its enthusiasm for cryptocurrencies


Fire at power facility

Are UK energy supplies in trouble after fire at French power link?

16 September 2021

A fire at a facility that connects the electricity grids of the UK and mainland Europe has led to talk of a potential winter energy crisis, but supplies should stabilise in the coming months


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