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Alan Lightman on his childhood in science

The story of the author's extremely early career

Science crossword: Looking to the future

Play this crossword inspired by the July/August 2026 issue of Scientific American

U.S. scientists are being lured abroad—and they aren't looking back

The great American brain drain could define science for a generation

Math Puzzle: Go to great lengths

Find the lengths of the sides of the square in this math puzzle

Here’s how big the Ebola outbreak in the Democratic Republic of the Congo might be

Scientists have modeled the potential size of this current outbreak, which some experts think could become one of the worst Ebola epidemics on record

US Limits on Anthropic Fable AI Could Hurt Cybersecurity

Fable 5 was built to help with advanced cybersecurity work. Its sudden shutdown highlights a dilemma at the heart of AI security: the same tools can aid both defenders and attackers

Could the keto diet help treat anorexia, schizophrenia and depression?

Early research suggests that some mental health conditions could stem from metabolic disorders. If so, the findings could change how we treat mental illness

NASA data reveals weird x-ray changes in the exploded ruins of dead stars

This sparkling galaxy is home to a set of supernova remnants that showed variable brightnesses over 14 years of data

New Coral Study Identifies Areas Where Reefs Are Hanging On

KATHARINE HOURELD

New research has identified areas around the world where cooler currents and other favorable conditions are helping to protect coral from the worst effects of global warming.

D.O.J. Seeks to Halt Pollution Lawsuit Against Elon Musk’s Data Center

KAREN ZRAICK AND HIROKO TABUCHI

The department cited national security concerns, saying Elon Musk’s company had played a crucial role in the Iran war. It also argued it has the authority to stop environmental lawsuits brought by citizens.

Ozempic maker Novo Nordisk breach exposed patients’ clinical trial data

Novo Nordisk said this security incident affected patient data, including health information and birth year

Math predicts humans could go extinct in about 17,000 years

Some mathematicians have predicted when humanity's downfall might occur—though the circumstances are unspecified

Proposed White House regulations could kill 5,000 clinical trials, analysis finds

The Trump administration is mulling new rules that would give political appointees final say on research grants

Watch sharks use manta rays to scratch unreachable itches

Galapagos sharks have been spotted scrubbing off parasites with help from manta rays

Neuroscientist Kauê M. Costa redefines how the brain learns

Neuroscientist Kauê M. Costa talks about surprising results that are changing how we think dopamine works and how the brain really learns