There are many sources of protein in your diet Tatiana Bralnina/Alamy From powders to popcorn to pancakes – supermarket shelves are awash with products stuffed with protein, but what is behind this nutritional trend? Donald Layman at the University of Illinois at Urbana-Champaign takes some responsibility for the craze, having conducted more than 100 studies…
Coffee can influence our mood and microbiome Artem Varnitsin / Alamy Both caffeinated and decaffeinated coffee can lead to improvements in mood and cognitive performance, possibly through their effects on the gut microbiome. Scientists have long known that coffee can influence digestion, cognition and mood, thanks partly to interactions with gut microbes. But while most…
The dairy industry’s green claims are under scrutiny Witthaya/Getty Images The world’s biggest meat and dairy companies are flooding the public with promises to tackle global warming, but almost all are greenwashing, a new analysis claims. Animal agriculture is a major driver of climate change, responsible for at least 16.5 per cent of all global…
If you purchase an independently reviewed product or service through a link on our website, Variety may receive an affiliate commission. Amazon’s second season of its social experiment series, “Jury Duty,” ended this month, with the reveal that unwitting series star Anthony Norman had been working for a family-owned hot sauce company that didn’t actually…
Boring old iodised table salt should make a comeback Tatjana Baibakova/Alamy When I was at uni, I had a biology lecturer who was obsessed with iodine, and whose life’s work had been tackling global dietary deficiencies. He urged us to always use iodised salt, telling us it had raised the IQ of whole nations and…
Ultra-processed foods are often high in fat and sugar Anastasiia Krivenok/Getty Images In the past few years, there has been a growing clamour from scientists, doctors and the media about ultra-processed foods (UPFs). Some have warned that the trend towards more and more processed food in our diet is mainly responsible for the huge burden…
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN — The first photo ever taken of a black hole looks a little sharper now. Originally released in 2019, the unprecedented historic image of the supermassive black hole at the center of the galaxy…
