Behold, firm evidence — at last — that ultra-processed food causes weight gain

Junk food causes weight gain, but it's not just about the calories.

Photo Illustration by Justin Sullivan / Getty Images

We know we should eat less junk food, such as crisps, industrially made pizzas and sugar-sweetened drinks, because of their high calorie content.

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Surprising Science

Cheers! How the physics of fizz contributes to human happiness

The phenomenon that makes our favourite drinks bubbly is, alarmingly, the same one that causes decompression sickness in divers. Why do we still love it?

Think of the last time you had something to celebrate. If you toasted the happy occasion, your drink was probably alcoholic – and bubbly.

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Surprising Science

Myth: Healthy food is more expensive than unhealthy food

Want to eat better but feel like you don't have the money?

Justin Sullivan/Getty Images

The idea that healthy food costs more than junk food is something I hear a lot. Students tell me they'd like to eat better but can't afford to.

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Culture & Religion

Scientists discover why supermarket tomatoes taste so bland

A new genetic analysis reveals big differences between cultivated and wild tomatoes and domesticated, store-bought tomatoes.

Pixabay
  • Scientists compared the genomes of 725 wild and cultivated tomatoes (a pan-genome) to the tomato genome that's used to represent all varieties.
  • The representative genome was missing thousands of genes present in the pan-genome, including one that's responsible for imparting flavor to the vegetable.
  • The good news is that breeders seem to have recently began selecting for flavor, so it's possible that store-bought tomatoes could soon start tasting better.
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Surprising Science

Eating nuts may boost fetal brain development

A new study finds such kids excel in all cognitive areas.

Image source: New Africa/Shutterstock
  • A Spanish study finds that nuts consumed early in pregnancy boost babies' cognitive strength.
  • Eating walnuts, almonds, peanuts, pine nuts and/or hazelnuts early in pregnancy can make a big difference.
  • For those without allergies, nuts are good food.
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Surprising Science