Why being bilingual really does seem to delay dementia
20 February 2025
Multiple studies suggest that speaking more than one language pushes back the onset of dementia, but doesn't seem to stop it entirely
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Premium
Reaching net zero will cost billions more due to interest rate rises
21 July 2023
It is vital that we clean up our energy sources and shift away from fossil fuels, but rising interest rates mean green energy projects are becoming more expensive and risk being cancelled
How can we keep homes cool in extreme heat without air conditioning?
13 July 2023
Many northern countries including the UK must adapt homes to cope with hot weather, a study warns – but there are ways to do this without increasing energy use
Do psychedelics treat chronic pain or is it the placebo effect?
12 July 2023
Preliminary studies show that psilocybin, a compound in magic mushrooms, reduces pain in people with chronic Lyme disease, fibromyalgia and migraines. But without effective control groups the evidence is far from conclusive
Efforts to mass-produce green steel are finally nearing reality
5 July 2023
Decarbonising steel production is essential if we are to cut global greenhouse gas emissions, but this energy-intensive process has been hard to clean up - until now
The European Union's new plan to curb deforestation is deeply flawed
4 July 2023
Sustainability researchers have serious doubts about whether the EU’s new regulation will succeed in stopping deforestation
Should Japan dump Fukushima's radioactive water into the ocean?
3 July 2023
The International Atomic Energy Agency has approved Japan's plan to release radioactive water from the Fukushima Daiichi nuclear power plant into the ocean, but some researchers question this approach
Which quantum computer is the most powerful ever? It's complicated
22 June 2023
IonQ has become the latest company to claim its quantum computer is more powerful than any other computer in existence - despite not having built it yet. But how exactly do you benchmark a quantum computer?
Why 2023 is shaping up to be the hottest year on record
16 June 2023
Global weather conditions are showing extraordinary levels of heating this year. With this adding to human-driven climate change, 2023 could be the hottest year we have ever seen
Shell can't say it backs net zero while still betting on fossil fuels
14 June 2023
Like its rival BP, Shell claims it is committed to reaching net zero by 2050 despite planning to increase its output this decade, but experts say this doesn’t add up
