A team of scientists have found that because of this, high summer temperatures have been a strong influence in determining bill size in some birds, particularly species of sparrows that favor salt marshes.

The post It’s no sweat for salt marsh sparrows to beat the heat if they have a larger bill appeared first on Smithsonian Insider.

A new study has revealed information about the way tungara frogs in the tropical rain forest hear, sort, and process sounds which is very similar to the way humans do. The knowledge could be applicable to communication disorders associated with hearing loss and attention deficits or difficulties.

The post Research on tungara frogs may be applicable to hearing loss/attention deficits in humans appeared first on Smithsonian Insider.

These green crabs have been doing a number on native shellfish. They eat a lot of clams. And they're a very cosmopolitan species—they've now spread all over, to places as far afield as the West Coast of the U.S. and South Africa.

The post Location matters: For invasive aquatic species, it’s better to start upstream appeared first on Smithsonian Insider.

A new study on the dodo’s island home of Mauritius in the Indian Ocean, paints a picture of this unusual bird as an intrepid survivor on par with the giant tortoise for its resiliency.

The post Dodo bird a resilient island survivor before the arrival of humans, study reveals appeared first on Smithsonian Insider.

The same object that dazzled skygazers in 1054 C.E. continues to dazzle astronomers today by pumping out radiation at higher energies than anyone expected.

The post Crab pulsar dazzles astronomers with its gamma-ray beams appeared first on Smithsonian Insider.

Our studies of the genetic relationships between these bees tells us that they originated in the Amazon about 22 million years ago and that they moved north into Central America before 3 million years ago.

The post Two closely related bee species discovered far apart in Panama and northern Colombia appeared first on Smithsonian Insider.

For the first time, astronomers have detected around a burgeoning solar system a sprawling cloud of water vapor that’s cold enough to form comets, which could eventually deliver oceans to dry planets.

The post Frigid water cloud may be source of water delivered to dry planets by comets appeared first on Smithsonian Insider.

In 2011, scholars from three institutions—National Museum of American History Curators Carlene Stephens and Shari Stout, Library of Congress Digital Conversion Specialist Peter Alyea and Lawrence Berkeley National Laboratory Scientists Carl Haber and Earl Cornell—came together in a newly designed preservation laboratory at the Library of Congress to recover sound from those recordings made more than 100 years ago.

The post Digital technology allows Alexander Graham Bell’s 1880s disc recordings to be played again appeared first on Smithsonian Insider.

Reptiles that live near and feed upon amphibians in the tropics may be spreading the deadly amphibian disease Chytridiomycosis (caused by the chytrid fungus Batrachochytrium dedrobatidis), holding and transporting reservoirs of the fungus on their skin.

The post Reptiles may be spreading deadly amphibian disease in the tropics appeared first on Smithsonian Insider.

Small monkey groups may win territorial disputes against larger groups because some members of the larger, invading groups avoid aggressive encounters.

The post Members of small monkey groups more likely to fight, researchers find appeared first on Smithsonian Insider.

A box jellyfish from the Caribbean appears to have recently become established in the red mangroves of Florida near Boca Raton.

The post Caribbean box jellyfish now thriving in southern Florida appeared first on Smithsonian Insider.

A new study of marmosets, small South American monkeys, indicates that obesity may begin very early in life and suggests that marmosets may be a helpful model for obesity in humans.

The post Is obesity predestined at infancy? Marmoset study may help scientists find out. appeared first on Smithsonian Insider.

A new study provides a possible explanation for the mysterious flares. The suggestion is that there is a cloud around Sgr A* containing hundreds of trillions of asteroids and comets, which have been stripped from their parent stars.

The post X-ray flares observed by Chandra are asteroids being torn to pieces in a black hole appeared first on Smithsonian Insider.

Slithering in at 48 feet long and weighing an estimated one-and-a-half tons, the largest snake the world has ever seen is being brought back to […]

The post Largest snake the world has ever seen is being brought back to life by Smithsonian Channel appeared first on Smithsonian Insider.

A newly described species of toothed whale that lived some 3-4 million years ago during the Pliocene, is causing scientists to reconsider what is known about its living cold-water relatives: narwhals and belugas.

The post New fossil whale species raises mystery regarding why narwhals and belugas live only in cold water appeared first on Smithsonian Insider.

Scientists conducting deep-sea research in the Galapagos have described a new species of catshark. The new shark is approximately a foot long and has a chocolate-brown coloration with pale, irregularly distributed spots on its body. The spotted patterns appear to be unique to each individual.

The post New species of deep-sea catshark described from the Galapagos appeared first on Smithsonian Insider.

This composite image from the Chandra X-ray Observatory (operated for NASA by the Smithsonian Astrophysical Observatory) shows the distribution of dark matter, galaxies, and hot […]

The post Chandra image of the core of the merging galaxy cluster Abell 520 appeared first on Smithsonian Insider.

The same device used to detect early warning signs of heart disease in humans will now benefit two male sub-adult gorillas at the Smithsonian’s National Zoo.

The post Heart disease study to benefit lowland gorillas at the National Zoo appeared first on Smithsonian Insider.

16,000 square kilometers of giant panda habitat will likely be lost by the year 2080

The post Panda habitat to be lost, shifted by climate change appeared first on Smithsonian Insider.

Biologists from the Smithsonian's National Museum of Natural History, the Papua New Guinea National Museum, and the U.S. Geological Survey have discovered a new species of gecko, adorned like a bumblebee with black-and-gold bands and rows of skin nodules that enhance its camouflage on the tropical forest floor.

The post New ‘Bumblebee’ gecko discovered in Papua New Guinea appeared first on Smithsonian Insider.

Scientists have discovered several specimens of tiny insects covered with pollen grains in two pieces of amber, revealing the first record of pollen transport and social behavior in this group of animals.

The post First ever record of insect pollination captured in 100 million-year-old amber appeared first on Smithsonian Insider.

The newfound jets may be related to mysterious gamma-ray bubbles that Fermi detected in 2010. Those bubbles also stretch 27,000 light-years from the center of the Milky Way.

The post Ghostly gamma-ray beams blast from Milky Way’s center appeared first on Smithsonian Insider.

Scientists have discovered an incredible story of fungal fidelity among certain species of ants.

The post Fungal fidelity: some ants have been eating the same meal for 5 million years! appeared first on Smithsonian Insider.

Their research revealed that the types of waterbirds that inhabit urban estuaries are influenced not only by urban development, but also by a far more natural process―rain.

The post Scientists find that rain may not always be a welcome thing to waterbirds appeared first on Smithsonian Insider.

A new study of Chandra data has revealed two nearby galaxies whose supermassive black holes are growing faster than the galaxies themselves.

The post Black hole growth found to be out of synch appeared first on Smithsonian Insider.

Smithsonian herpetologist George Zug answers a few questions about skinks....

The post Speaking of skinks: short limbed, long tailed & prehistoric appeared first on Smithsonian Insider.

Imagine a gas giant planet spanning three times more sky than the Moon looming over the molten landscape of a lava world. This alien vista exists in the newly discovered two-planet system of Kepler-36.

The post Close encounters between planetary systems of Kepler-36 stun astrophysicists appeared first on Smithsonian Insider.

A rare Longman’s beaked whale found stranded on the Hawaiian island of Maui in 2010 has scientists in Hawaii on the alert for a deadly disease known as morbillivirus which can lead to high mortality rates in dolphins and other marine mammals.

The post Rare whale beached in Hawaii infected with deadly marine-mammal virus appeared first on Smithsonian Insider.

Two Andean bear cubs born at the National Zoo in the early morning of Dec. 13 to 6-year-old Billie Jean.

The post Two Andean bear cubs born Dec. 13 at National Zoo appeared first on Smithsonian Insider.

The western long-beaked echidna, one of the world's five egg-laying species of mammal, became extinct in Australia thousands of years ago…or did it?

The post Scientists discover long-beaked echidna may not be a thing of the past in Australia appeared first on Smithsonian Insider.

Among vertebrates few animals rival poison dart frogs for their vibrant electric blue, yellow, red and orange skin colors. Some experts have long believed these […]

The post Poison dart frog toxins best suited for deterring biting arthropods, research reveals appeared first on Smithsonian Insider.

Striking Caribbean sunsets occur when particles in the air scatter incoming sunlight. But a particulate shadow over the sea may have effects underwater. A research […]

The post Human shadow cast over the Caribbean slows coral growth appeared first on Smithsonian Insider.

Marmosets on track for obesity appeared to be more efficient in their feeding behavior. “Although all animals consumed the same amount of liquid, the ones […]

The post Obese marmosets are more developmentally advanced as infants, study shows appeared first on Smithsonian Insider.

All bear species except for one live in either temperate or tropical woodlands. Only the polar bear is a stranger to the forest, living and […]

The post Polar bears in a warming world: Q&A with Don Moore of the National Zoo appeared first on Smithsonian Insider.

The inventions of Alexander Graham Bell—most famously the telephone but also methods of recording sound—have allowed people to hear each other’s voices for more than […]

The post “Hear My Voice”: Smithsonian identifies 130-year-old recording as Alexander Graham Bell’s voice appeared first on Smithsonian Insider.

A fiery explosion on the surface of the Moon, visible to the naked eye, recently surprised NASA astronomers monitoring the Moon for meteorite strikes. Occurring […]

The post A meteorite explodes on the Moon: Q&A with geophysicist Bruce Campbell appeared first on Smithsonian Insider.

Unique among Earth’s creatures, turtles are the only animals to form a shell on the outside of their bodies through a fusion of modified ribs, […]

The post Discovery: Turtle shells appeared 40 million years earlier than previously believed appeared first on Smithsonian Insider.

The Smithsonian Environmental Research Center has just launched a new series of 15 short educational videos titled “Ecosystems on the Edge,” which mainly focus on […]

The post “Ecosystems on the Edge” on Youtube appeared first on Smithsonian Insider.

Rooting through the garbage for a late-night snack or stealing food from the cat’s bowl, the suburban raccoon is a nocturnal, intelligent animal. Yet life […]

The post Suburban raccoons more social yet dominance behavior remains that of a solitary animal appeared first on Smithsonian Insider.

Astronomers are constantly on the hunt for ever-colder star-like bodies, and two years ago a new class of objects was discovered by researchers using NASA’s […]

The post Coldest brown dwarfs blur lines between stars and planets appeared first on Smithsonian Insider.

Hellbenders, aquatic salamanders from the eastern United States, are surprisingly good at dealing with unpredictable weather. In a recent study published in the Journal of […]

The post Zoo scientists find sudden stream temperature changes boost hellbender immune systems appeared first on Smithsonian Insider.

Microbes that live in rice paddies, northern peat bogs and other previously unexpected environments are among the bacteria that can generate highly toxic methylmercury, researchers […]

The post Toxic methylmercury-producing microbes more widespread than realized appeared first on Smithsonian Insider.

Hot spots of mercury pollution in aquatic sediments and soils can contaminate local food webs and threaten ecosystems, but cleaning them up can be expensive […]

The post Toxicity of mercury hot spots can be reduced with application of activated carbon, researchers discover appeared first on Smithsonian Insider.

Scientists from the Smithsonian’s National Museum of Natural History have just named and described the Spectacular Guyane False-form beetle, or Guyanemorpha spectabilis, from Guyane (French Guiana). […]

The post Remarkably large and colorful new beetle discovered in French Guiana appeared first on Smithsonian Insider.

Ants dominate the earth’s ecosystems and many are voracious predators that use their mandibles and sheer numbers to pin down and tear apart most other […]

The post Carabidae in the colony, seven new beetles that bunk with ants: Q&A with Terry Erwin appeared first on Smithsonian Insider.

Our solar system seems like a neat and orderly place, with small, rocky worlds near the Sun and big, gaseous worlds farther out, all eight […]

The post Asteroid diversity = “snow globe” Solar System appeared first on Smithsonian Insider.

Authoritative, intelligent and always accompanied by a young assistant, television’s Mr. Wizard brought science to America’s kids from the 1950s through 1980s with experiments using […]

The post Smithsonian acquires archives of Mr. Wizard, Don Herbert appeared first on Smithsonian Insider.

Tasty and easy to find, the heath hen was a favorite dish of America’s colonial settlers. This beautiful little bird, however, was no match for […]

The post Urban landscapes becoming increasingly bird-unfriendly appeared first on Smithsonian Insider.

The practice of selectively fishing male blue crabs in the Chesapeake—intended to give females a chance to reproduce—may have a hidden cost. A Bay without […]

The post With too few males, blue crab population may be put at risk appeared first on Smithsonian Insider.

The carabid beetle tribe Lachnophorini is the focus of an extensive new study by two Smithsonian entomologists just published in a special issue of the […]

The post New study focuses on carabid beetles appeared first on Smithsonian Insider.