Do artificial sweeteners cause cancer and are there other concerns?
14 July 2023
Fresh concerns have been raised over the potential for the sweetener aspartame to cause liver cancer
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Premium
What is xAI, Elon Musk’s new AI company, and will it succeed?
13 July 2023
Elon Musk has announced a new venture called xAI that plans to “understand the true nature of the universe”. Here’s what we know so far
Air quality: How does pollution affect your health?
13 June 2023
Recent research is revealing how air pollution damages many parts of the body, who is most at risk and how heatwaves exacerbate the effects
Kakhovka hydroelectric dam burst: What are the risks to human life?
6 June 2023
The Kakhovka dam in Ukraine has been damaged in an explosion, possibly as a result of Russian attack. The resulting floods could have a major impact on people and wildlife
What is the human pangenome and why do we need it?
10 May 2023
A sequence for the human genome was first published in 2001, but this original reference doesn't reflect the full genetic diversity of humanity - something a new "pangenome" attempts to solve
What is going on with Twitter and should I move to Bluesky instead?
7 May 2023
As the Elon Musk era of Twitter continues to throw up bugs and controversies, some people are looking at alternatives. The invite-only Bluesky is the latest challenger, but does it have staying power?
Spanish heatwave: Is climate change behind record heat in Europe?
28 April 2023
A spring heatwave across parts of southern Europe is seeing temperature records for April broken in many countries. Why is this happening, and will the summer also be hot?
Florida floods: How much rain has fallen and could it happen again?
13 April 2023
Heavy rain has deluged parts of Florida, triggering the total shutdown of Fort Lauderdale airport. Here's what we know about the situation and whether it is a sign of climate change
IPCC climate change report: Can we avoid 1.5°C of global warming?
20 March 2023
The sixth synthesis report from the IPCC once again warns that without immediate and massive emissions reductions, limiting global warming to 1.5°C will be beyond reach
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
