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When it comes to ‘poop maxxing,’ are you optimizing or obsessing?

Is it possible to optimize our poop?

Is football too dangerous for kids’ brains? These scientists are racing to find out

A new study found that one in four professional football players who died between 2016 and 2021 had CTE—a degenerative brain disease—but what about children who play these sports?

Watch a robot dog run a marathon faster than the average human

The quadrupedal machine finished the course in a solid four hours, 19 minutes and 52 seconds—and on just one battery charge

New Study Illuminates Bats’ Murky Origins

EMILY ANTHES

The largest analysis of bat genomes and fossils suggests that the first bats emerged in Europe roughly 65 million years ago and that echolocation evolved early.

See the Taurids light up the fall sky with brilliant shooting stars

Lasting from mid-September until mid-December, the Taurid meteor showers are among the longest of the year

Trump’s Energy Secretary Dismisses Reports of Diesel Export Ban, Criticizes Solar Power

MAXINE JOSELOW

Chris Wright also doubled down on his criticism of renewable energy sources like solar power.

Suicide Rate Dropped Slightly in 2024, C.D.C. Finds

CHRISTINA CARON

Suicide deaths have often fluctuated over the years but a sustained downward trend remains elusive.

Blood test for multiple cancers clears crucial hurdle on track to FDA approval

If approved, the test could help catch cancers early—but more research is still needed, experts say

Gerard Barron, Metals Company Chief, Makes the Case for Seafloor Mining

RAYMOND ZHONG

The head of the company hoping to become the first to conduct commercial deep-sea mining said mines on land had a much larger environmental footprint.

China’s open AI models are testing America’s approach to AI safety

With Donald Trump and Xi Jinping set to discuss AI safety, the growing popularity of Chinese open-weight models highlights the limits of developer-controlled safeguards

Salmon Are Thriving After Klamath Dam Removals, Study Finds

REBECCA DZOMBAK

The first fall runs of chinook salmon since the project in California and Oregon was completed have surpassed researchers’ expectations.

AI solves 79-year-old math mystery of six-dimensional spheres

Can a six-dimensional sphere be described using imaginary numbers? For decades, experts puzzled over this question. Now an AI has apparently answered it