Science

Week of Making

Maker’s Week at the Zoo is Business as Usual

When the right product doesn't exist for a fish ultrasound or other procedure, scientists build it themselves

To discourage the harmful trade that is having a catastrophic effect on elephant populations, nearly one ton of illegal ivory was crushed Friday, June 19, 2015, in Times Square.

Where Do Important Ivory Artifacts Fit in the Race to Save Elephants from Poaching?

The fight against poaching and trafficking came to a head in Times Square last week with the destruction of a one-ton cache of illegal ivory

A customs officer in Thailand examines specimens from a three ton ivory seizure, estimated to be worth $6 million.

Anthropocene

DNA and Databases Help Untangle the Web of the Illegal Wildlife Trade

Two new data-driven approaches help identify key hotspots for poaching and trafficking

Previous analysis of the Kennewick Man's skull suggested that he might be closely related to Asian populations and Polynesians. But new genetic analysis indicates his ancestral roots are in the Americas.

New Research

Genome Analysis Links Kennewick Man to Native Americans

Ancient DNA sequenced from the skeleton adds to the controversy over the individual's ancestry

New Research

Kangaroos Are Lefties, and That Can Teach Us About Human Handedness

The discovery strengthens the case that upright posture drove the evolution of dominant hands in humans

Penicillin: a fuzzy little life saver.

11 Reasons to Love Bacteria, Fungi and Spores

From medicines to jet fuel, we have so many reasons to celebrate the microbes we live with every day

Tiny ovenbirds wore an even tinier backpack equipped with a GPS tracker that monitored their migratory paths over the course of a year—offering new data on their routes.

The Hottest New Accessory for Songbirds: Tiny GPS-Enabled Backpacks

Peter Marra and Michael Hallworth of the Smithsonian Migratory Bird Center test a groundbreaking device that tracks birds' migrations

Eight New Things Science Says About Being a Dad

They're still not very good at cooing to toddlers, and their testosterone levels start to drop even before a baby is born

A ward in Carver Hospital in Washington, D.C., during the Civil War. One key innovation during this period was the division of hospitals into wards based on disease.

Six Ways the Civil War Changed American Medicine

150 years ago, the historic conflict forced doctors to get creative and to reframe the way they thought about medicine

A village nestled inside the Brazilian Amazon.

Anthropocene

Protecting Land in Brazil Reduces Malaria and Other Diseases

Areas under strict protection see the most benefit in shielding people from illness and infection

Smithsonian geologist Elizabeth Cottrell (right) helps undergraduate intern Kellie Wall examine a sample of Earth’s interior. Cottrell co-directs Natural History Research Experiences, a program funded by the National Science Foundation that trains 18 students every summer.

Commentary

Hey Scientist, Who Are You Mentoring this Summer?

The director of education at the National Museum of Natural History delivers a clarion call to all scientists: Be a Mentor. Raise Up the Next Generation

Anthropocene

Earth's Oxygen Levels Can Affect Its Climate

Models of past eras show that oxygen can influence global temperature and humidity as its concentration changes

New research suggests hawkmoths, like the one pictured above, slow down their brain's ability to process light in order to see at night.

New Research

Hovering Hawkmoths Slow Down Their Brains to See in the Dark

The insects’ night vision appears to be finely tuned to the movement of their flower food sources

Ask Smithsonian: What Makes Skunk Spray Smell So Terrible?

When the omnivorous cat-size mammals take aim, the malodorous spray can hit with pin-point accuracy up to 20 feet away

A mosaic image shows magnetic activity on the solar disk, which is surrounded by the relatively faint corona.

New Research

A "Mangrove Forest" of Magnetism May Help Heat the Sun's Corona

New simulations might explain why the sun's atmosphere is bizarrely millions of degrees hotter than its surface

Six Ways to See Bioluminescence in the World's Oceans

From shimmering squid in Japan to illuminated clams in France, here are some of the top spots for basking in nature's glow

Scientists found what appear to be red blood cells in this claw from an unidentified theropod dinosaur.

New Research

Dinosaur Soft Tissue Recovered From Eight Cretaceous-Era Fossils

New sampling methods yielded cells and fibers from relatively ordinary fossils, broadening the possibilities for paleontology

A prison cemetery in Huntsville, Texas, where many executed inmates have been buried.

Support for the Death Penalty May Be Linked to Belief in Pure Evil

People who think evil exists in the world are more likely to demonize criminals, regardless of their character traits

The rolled electronic mesh is injected through a glass needle into a water-based solution.

New Research

A Flexible Circuit Has Been Injected Into Living Brains

Tested on mice, the rolled mesh fits inside a syringe and unfurls to monitor brain activity

Ask Smithsonian 2017

Does Dieting Actually Make Your Stomach Shrink?

Not exactly, says science—stretchiness and psychology seem to play bigger roles than size in determining how much a person can eat

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