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Attachment style may influence how many kids people have

People with "fearful" or "preoccupied" insecure attachment styles had more children, whereas securely attached people had fewer, according to a recent study

Silicon Valley's longevity biohackers are engaged in a dangerous experiment

Influencers and ultra-rich people looking to extend their lifespan are trading tips and tricks on how to eke out extra years

François Englert, Nobelist Who Helped Predict the ‘God Particle,’ Dies at 93

DYLAN LOEB MCCLAIN

His work paved the way for the discovery of the Higgs boson, which explained how particles acquire mass, solving one of the deepest mysteries in physics.

Is Climate Change Supercharging El Niño?

CHICO HARLAN

As a new, potentially record-breaking El Niño begins, researchers are vigorously debating whether climate change is driving the phenomenon’s intensity.

Wordle’s Hard Mode Is Actually Easier, 730 Million Games Show

TONI MONKOVIC, EVE WASHINGTON AND TOM GIRATIKANON

As the game turns 5 years old, the data reveals that while standard-mode players have much more freedom, they’re not making the most of it.

Celebrate Father’s Day with seven whimsical and weird animal dads

From tiny hamsters to giant salamanders, here are some of the most unusual examples of fatherhood across the animal kingdom

How becoming a dad changes men’s brains

Fathers show changes in some of the same brain areas as mothers, but the effect of parenthood on dads isn't nearly as well studied

Can GLP-1s boost testosterone levels?

Preliminary study finds that testosterone levels increase or stabilize in people taking GLP-1 medications

Cities and Schools Are Testing Wastewater for Illicit Drugs

JAN HOFFMAN

The White House recently endorsed monitoring sewage for evidence of drug use. Critics fear such efforts could violate privacy and stigmatize neighborhoods.