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Science

1000 embryos and 123 surrogate dogs were required to make the first pair of cloned dogs, in 2005. Last month, Barbra Streisand revealed that her two dogs, Miss Violet and Miss Scarlett, were clones of her late Coton de Tulear Samantha.

The Real Reasons You Shouldn’t Clone Your Dog

It’s easy to understand why someone would want to. It’s harder to justify the actual cloning process, both ethically and scientifically

Your Low-Calorie Sweetener Could Be Making You Fat

There are several ways that consuming artificial sweeteners might contribute to obesity

Ali the Aardvark gets cozy as baby Winsol nurses at the Cincinnati Zoo. Ali is one of hundreds of animals whose milk samples are sent to the Smithsonian National Zoo’s milk repository for scientific research.

What Aardvark Milk Reveals about the Evolution of Lactation

Samples from the Smithsonian National Zoo’s Exotic Animal Milk Repository help scientists study the unifying trait of all mammals

Mid-19th Century specimens collected in Latin America by Alfred Russel Wallace include parrot wings and marsupial pelts.

The Great Feather Heist

The curious case of a young American’s brazen raid on a British museum’s priceless collection

For all their flaws, lab mice have become an invaluable research model for genetics, medicine, neuroscience and more. But few people know the story of the first standardized lab mice.

Women Who Shaped History

The History of Breeding Mice for Science Begins With a Woman in a Barn

Far more than a mouse fancier, Abbie Lathrop helped establish the standard mouse model and pioneered research into cancer inheritance

Thanks to its neutral taste, cricket flour hides well in oatmeal and baked goods. But a Canadian grocery chain isn't hiding its unusual ingredient: it's putting a picture of a cricket on its logo.

Why Canada Wants You to Know You’re Eating Crickets

In some countries, insects may finally be getting their due as affordable, nutritious protein sources

The towering, 2,500-year-old “Mother of the Forest” (second from left) died after its bark was stripped for display in New York in 1855.

How California’s Giant Sequoias Tell the Story of Americans’ Conflicted Relationship With Nature

In the mid-19th century, “Big Tree mania” spread across the country and our love for the trees has never abated

How Do You Make Beer in Space?

Strap on your beer goggles and join us on a hops-fueled rocket ride

In Asia, the biggest threat to elephant survival isn't ivory poaching but habitat loss. Here, men ride Asian elephants in Thailand.

New Research

In a Horrifying New Twist, Myanmar Elephants Are Being Poached For Their Skin

In Asia, the biggest threat to elephant survival has long been habitat loss. That may be changing

Smithsonian Tropical Research Institute archaeologist Ashley Sharpe contemplates the Ceibal site in Guatemala—one of the oldest Maya sites known.

Dogs Were Transported Across Great Distances for Ancient Maya Rituals

A new paper uses chemistry to shed light on the management of Maya animals

Can you spot Sheila?

Women Who Shaped History

How Smithsonian Helped Solve the Twitter Mystery of the Unknown Woman Scientist

Sheila Minor was a biological research technician who went on to a 35-year-long scientific career

These black- and red-colored pigments reveal that humans were using pigments, potentially to communicate status or identity, by around 300,000 years ago.

New Research

Colored Pigments and Complex Tools Suggest Humans Were Trading 100,000 Years Earlier Than Previously Believed

Transformations in climate and landscape may have spurred these key technological innovations

Small differences account for a shooter’s consistency.

The Math Behind the Perfect Free Throw

A basketball computer program simulates millions of trajectories in search of the ideal shot

How to Calculate the Danger of a Toxic Chemical to the Public

The risk of any toxin depends on the dose, how it spreads, and how it enters the body

How It All Began: A Colleague Reflects On the Remarkable Life of Stephen Hawking

The physicist probed the mysteries of black holes, expanded our understanding of the universe and captured the world’s imagination, says Martin Rees

The Proliferation of Happiness

A professor of consumer culture tracks the history of positive psychology

An artist's interpretation of two giant pterosaurs in the Late Cretaceous.

New Research

What Doomed the Pterosaurs?

Killed off in their prime, the leathery fliers may have been living too large for their own good

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