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The Underappreciated Benefits of Leaving Fallen Leaves Alone

ALAN BURDICK

To homeowners, fallen leaves look like work. To nature, they’re an investment, with tremendous value on the secondary market as invertebrate real estate.

Before Computer Science Became a Boys’ Club, Margaret Hamilton Wrote the Code

CAROLYN Y. JOHNSON AND KENNETH CHANG

The woman who helped put astronauts on the moon was a software engineer when the field was not prestigious or lucrative.

Mathematician Who Waited 50 Years for Proper Credit for Her Work Has Died

AMA SARPOMAA

At the Los Alamos National Laboratory, Mary Tsingou Menzel’s computer programming helped set the stage for chaos theory and other fields.

Cancer Vaccines Are the N.I.H.’s Next ‘Big Bet’

GINA KOLATA

New details have emerged about an initiative that starts in December to fast-track the vaccines, similar to the successful push for the Covid-19 vaccine.

Could Tutankhamun's tomb hold clues to a mysterious Egyptian queen?

Signs of hidden chambers in the walls of the famous boy king's tomb have raised hopes among researchers of finding hints of Nefertiti's burial place—Tutankhamun's stepmother and mother-in-law

Who Were the Vikings? 21 Graves Weave a Tale of Hunters, Nomads and Sorceresses.

FRANZ LIDZ

“The Sea-King and the Sorceress” examines the lives and deaths of the diverse people who called themselves Vikings.

The Times’s New Space Editor Has Her Eye on the Cosmos

SARAH BAHR

On the Science desk, Victoria Jaggard spends her days pondering the universe’s most pressing mysteries.

New York City’s Latest Famous Family Is a Hoot. Yes, They’re Barn Owls.

CHRISTOPHER MAAG

The city’s latest feathered extraordinaires are captivating the Upper West Side with their screeches.