Giraffes are just as astonishing on the inside as they are to look at. Standing up to 19 feet tall, they require enormously high blood pressure to pump blood up to the head, yet they suffer few, if any, of the consequences that people with high blood pressure would.

The Cardiovascular Secrets of Giraffes

Because of their height, giraffes require scarily high blood pressures—yet they escape the massive health problems that plague humans with hypertension

Cardioids begin to pulse with a heartbeat after seven days of development.

Innovation for Good

This Lab-Grown Mini Heart Can Keep a Beat

The creation, called a cardioid, will help with the study of heart disease and the discovery of new medications

NASA's Ingenuity helicopter arrived on Mars on February 18, 2021.

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Why Did NASA Test a Helicopter on Mars?

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Researchers study burial sites like the Falcon Necropolis at Quesna to learn more about ancient Egyptian culture and biodiversity. The site is protected by the Egyptian Ministry of Tourism and Antiquities.

Smithsonian Voices

Mummified Shrew Discovery Unearths Ancient Egypt’s Wetter Climate

The mummified Güldenstaedt’s White-toothed shrew adds to scientists’ understanding of climate in the region more than 2000 years ago

The California condor was included on the first list of endangered species published by the federal government.

Planet Positive

After Last Year’s Deadly Fires, the California Condor Soars Once Again

A colossus of the sky, the bird of prey was nearly gone when biologists rescued it from extinction. Then came a terrible new challenge

Bats, whales, naked mole rats, elephants, albatrosses, certain dog breeds and a few other animals live unexpectedly long lives. Can scientists discover their secrets?

Why Scientists Are Studying the Genetic Tricks of the Longest-Lived Animals

Researchers are investigating how some species live unexpectedly long lives in order to pinpoint factors affecting human longevity.

Freshly gathered truffles at Burwell Farms are the fruit of a bold collaboration—and a proprietary cultivation technique.

Has the American-Grown Truffle Finally Broken Through?

These delicacies, harvested in an experiment in North Carolina, have food-lovers and farmers ravenous for more

The Irish elk, or Megaloceros giganteus, ranged across northern Eurasia from Siberia to Ireland and shed its giant antlers every year. It is on display in the David H. Koch Hall of Fossils—Deep Time at the Smithsonian’s National Museum of Natural History.

Beyond Dinosaurs: The Secrets of Earth's Past

Biggest. Antlers. Ever. Meet the Irish Elk

On view at the Smithsonian’s Natural History Museum, this specimen of the extinct species unlocks an evolutionary mystery

Zircons are the oldest minerals in the world and come in colors like the rich blue above. Researchers have now used these gemstones to identify when modern plate tectonics began.

Smithsonian Voices

Earth’s Oldest Minerals Hold Clues About the Likely Start of Plate Tectonics

New research reveals how one of Earth’s defining geologic features likely formed—and set the stage for the emergence of life

Google Earth image of a healthy forest on the lower right and a ghost forest full of dead trees on the left.

Why Ecologists Are Haunted by the Rapid Growth of Ghost Forests

A study in North Carolina of dying trees may represent a foreboding preview of what may come to coastal ecosystems worldwide

Iran's Lake Urmia, once one of the largest saltwater lakes in the world, is vanishing due to climate change.

Innovation for Good

Can Climate Fiction Writers Reach People in Ways That Scientists Can’t?

A new subgenre of science fiction leans on the expertise of biologists and ecologists to imagine a scientifically plausible future Earth

The aged bathe in the restorative waters of the mythical fountain of youth in this 1546 oil painting by German Renaissance artist Lucas Cranach the Elder. Scientists have turned to studies of blood to identify a path to rejuvenating tissues damaged by the aging process.

In the Search to Stall Aging, Biotech Startups Are Out for Blood

A handful of companies are trying vastly different approaches to spin animal studies into the next big anti-aging therapy

Smithsonian ecologist Andy Boyce reported the rediscovery and photographed the elusive Bornean subspecies of the Rajah scops owl, Otus brookii brookii, in the mountainous forests of Mount Kinabalu in Sabah, Malaysia.

Rare Owl With Bright Orange Eyes Seen for the First Time in More Than 125 Years

The elusive Bornean Rajah scops owl is inspiring scientists and researchers after its brief rediscovery

So far, scientists have only documented jagged lightning bolts. Some physicists believe that the discovery of a completely straight lightning bolt could prove the existence of dark matter.

Could Weirdly Straight Bolts of Lightning Be a Sign of Dark Matter?

A group of scientists say the phenomenon could indicate dark matter speeding through our world at more than 300 miles a second

Through research on living and preserved plants, botanists are learning more about how flora has responded to climate change over the past centuries.

Smithsonian Voices

Why Plants Are Seeding Climate Studies

The National Museum of Natural History’s herbarium is helping botanists research climate-driven changes in plants, their biology and their abundance

Bodies lose their vigor with the passing of the years, but emotional well-being tends to improve, studies find. Among the observations: Though older people may have fewer social contacts, those they retain bring more satisfaction and meaning.

Why Do Older Individuals Have Greater Control of Their Feelings?

Psychologist Susan Turk Charles talks about findings that reveal the elderly have higher emotional well-being

Edmontasaurus, a duckbilled creature weighing around 7,000 pounds that could walk on two or four legs, was an average-sized dinosaur.

An Ode to the World’s Most Average Dinosaurs

They lacked the gargantuan size and spikes of the species museums often celebrate, but these species are how paleontologists learn about the Mesozoic

Whether they are left- or right-handed, mothers tend to carry their babies on the left side of their bodies.

14 Fun Facts About the Science of Motherhood

A short list of the amazing changes and behaviors that transform both humans and animals on the journey of motherhood

Great white sharks travel hundreds of miles to specific locations in the world’s oceans.

New Evidence Suggests Sharks Use Earth’s Magnetic Field to Navigate

Bonnethead sharks swam in the direction of their home waters when placed in a tank charged with an electromagnetic field

A virtual reconstruction of the child’s remains found in Panga ya Saidi cave in Kenya

Scientists Discover Oldest Known Human Grave in Africa

The unearthing of a tiny child suggests Africa’s Stone Age humans sometimes practiced funerary rites and had symbolic thoughts about death

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