Wildlife

Bacterial Dragon (Paenibacillus dendritiformis), by Eshel Ben-Jacob

Colonies of Growing Bacteria Make Psychedelic Art

Israeli physicist Eshel Ben-Jacob uses bacteria as an art medium, shaping colonies in petri dishes into bold patterns

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VIDEO: Mantis Shrimp vs. Octopus

Watch as the popular crustacean gets snared by its predator's tentacles. Will it survive?

A tiger in the Bhadra Wildlife Sanctuary in India

Forest Corridors Help Link Tiger Populations in India

Some tigers trek the human-filled landscape between nature preserves to find mates, but such opportunities to ensure genetic diversity are getting rarer

Blue fluorescence spreads through a dying nematode worm, revealing the passage of death through its body over the hour and a half prior to the organism’s complete expiration.

A Glowing Blue Death Wave Envelops Roundworms Before They Expire

Studying nematodes as life leaves them may lead to insights into exactly how death travels through the body, and, perhaps, whether we can delay it

Tune into the National Zoo’s newly reinstalled panda cams and watch Mei Xiang and Tian Tian any time of day.

Cool New Panda Cams Deliver Panda Life in Living Color

Watch the pandas munch bamboo on 24-hour live-stream cams at the Zoo and check out new video of Mei Xiang

New work suggests that dolphins each have their own distinctive whistle, and respond to hearing their sound made by calling right back.

Do Dolphins Use Whistles to Call Themselves by Unique Names?

Audio experiments show that the marine mammals each have their own whistle, and respond to hearing their distinct whistle by calling right back

The National Zoo’s senior female cheetah, Tumai, died last night.

Cheetah Dies at the National Zoo

The 13-year-old Tumai gave birth to the Zoo's first cheetah cubs in 2004

Although their perception of color is limited, new research suggests that dogs routinely discriminate between objects based on their hue.

New Study Shows That Dogs Use Color Vision After All

Although their perception of color is limited, dogs discriminate between objects based on their hue--a finding that may change the way dogs are trained

Close inspection showed that a T. rex tooth was lodged in a hadrosaur’s vertebrae, the result of an ancient attack gone awry.

Caught in the Act: Scientists Find A T. Rex Tooth Stuck in a Hadrosaur Tail

The ancient attack proves once and for all that the T. Rex was a hunter, not just a scavenger

The city of Shanghai presents A True Story (above), an impressive work of mosaïculture, at Mosaïcultures Internationales de Montréal 2013.

Horticultural Artists Grow Fantastical Scenes at the Montréal Botanical Garden

Take a peek at some of the living artwork entered in an international competition in Quebec this summer

Blood type, metabolism, exercise, shirt color and even drinking beer can make individuals especially delicious to mosquitoes.

Ask Smithsonian

Why Do Mosquitoes Bite Some People More Than Others?

Blood type, metabolism, exercise, shirt color and even drinking beer can make individuals especially delicious to mosquitoes

A community of glass sponges under Antarctica’s ice.

Glass Sponges Move In As Antarctic Ice Shelves Melt

Typically slow-growing glass sponge communities are popping up quickly now that disappearing shelf ice has changed ocean conditions around Antarctica

New research shows that unlike any other small mammal, bats stretch their tendons to store and release energy.

Amazing High Speed X-Ray Videos Reveal How Bats Take Flight

Unlike any other small mammal, bats stretch their tendons to store and release energy, helping the creatures launch into the air

The habitual use of antibiotics at industrial farming operations to promote growth can lead to the development of bacteria resistant to the drugs.

Factory Farms May Be Ground-Zero For Drug Resistant Staph Bacteria

Staph microbes with resistance to common treatments are much more common in industrial farms than antibiotic-free operations

Torres del Paine National Park in Chile, which ranks as one of the countries with the highest amount of biodiversity but the least funding to protect it.

Funding Biases Affect Wildlife Protection in the Developing World

Forty countries that receive low levels of aid for environmental conservation contain about one-third of the world's threatened species

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Why Do We Yawn and Why Is It Contagious?

Pinpointing exactly why we yawn is a tough task, but the latest research suggests that our sleepy sighs help to regulate the temperature of our brains

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This Bumpy-Faced Reptile Ruled the Prehistoric Desert

Newly excavated fossils tell us more about the cow-sized, plant-eating Bunostegos akokanensis, which roamed Pangea around 260 million years ago

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UPDATE: Red Panda Found After It Escaped from Its Enclosure

Rusty, a red panda, was first discovered missing from his enclosure early Monday morning, but was found in the afternoon

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Behind the Scenes, Birds of a Feather, Studied Together

From early studies from Audobon to gifts from Ethiopian kings, the specimens in this collection each have a story

Who do you think is the bigger threat in this picture?

A Turn in the Tide for Sharks and Their Public Image

Nearly 40 years after Jaws gave sharks a bad rap, the fish are the ones that need saving, not the beachgoers

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