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Science / Human Behavior

A collection of Hominin teeth used to determine the rate of tooth evolution among human ancestors.

The Teeth of Early Neanderthals May Indicate the Species’ Lineage Is Older Than Thought

Some of the oldest known Neanderthal remains include teeth that could push back the split with modern human lineages, but not all scientists are convinced

Human burials exposed and recovered during the archaeological excavations at the forest island of La Chacra during excavations.

Archaeologists Discover Some of the Amazon’s Oldest Human Burials

As early as 10,000 years ago, humans created settlements on elevated forest mounds in parts of southwestern Amazonia

Typical Tiwanaku-period offerings at Khoa Reef in Lake Titicaca, Bolivia, including stone carvings and sacrificial animal bones.

Before the Inca Ruled South America, the Tiwanaku Left Their Mark on the Andes

Artifacts including gold medallions and sacrificial llama bones reveal the ritual pilgrimages taken around Lake Titicaca

Exterior view of the entrance of Fa-Hien Lena cave in Sri Lanka, where archaeological evidence suggests humans lived about 45,000 years ago.

Ancient Monkey Bone Tools Shake Up the Narrative of Early Human Migration to the Rain Forest

New evidence pushes back the date for human settlement in jungles, challenging the idea that our ancestors preferred the savannas and plains

As humans began eating softer foods, overbites may have become more common and pronounced.

The Ability to Pronounce ‘F’ and ‘V’ Sounds Might Have Evolved Along With Diet

As our ancestors began eating softer agricultural foods, the shape of the human jaw and the sounds we make may have changed as well

Computer technician Joyce Cade works on a UNIVAC computer at a United States Census Bureau installation in Maryland which was used to tabulate the results of the 1954 Census of Business.

Women’s Contributions to Early Genetics Studies Were Relegated to the Footnotes

While women scientists were frequently “acknowledged programmers” in population genetics research, few of them received full authorship

Authors and playwrights in 18th-century Europe helped make science accessible to the common reader.

How 18th-Century Writers Created the Genre of Popular Science

French writers such as Voltaire and Bernard le Bovier de Fontenelle helped shape the Enlightenment with stories of science

The stone circle Ring of Brodgar on the Orkney Islands, Scotland.

Europe’s Megalithic Monuments Originated in France and Spread by Sea Routes, New Study Suggests

The ancient burial structures, strikingly similar all across Europe and the mediterranean, have puzzled scientists and historians for centuries

The complicated tree of human evolution could include extinct species that have not yet been discovered.

Artificial Intelligence Study of Human Genome Finds Unknown Human Ancestor

The genetic footprint of a “ghost population” may match that of a Neanderthal and Denisovan hybrid fossil found in Siberia

Enrico Fermi at the blackboard.

How Scientific Chance and a Little Luck Helped Usher in the Nuclear Age

Accidental experiments and chance encounters helped Enrico Fermi produce the first nuclear reactor

Alice Lee, one of the first women to attend London University, challenged the predominant notion that men's brains were larger and therefore intellectually superior.

The Statistician Who Debunked Sexist Myths About Skull Size and Intelligence

Though she laid bare the false claim of women’s intellectual inferiority, Alice Lee failed to apply the same logic to race

The bony growths found in pre-Hispanic skulls in Panama suggest communities were diving for oysters and pearls thousands of years ago.

Panama

Skulls With ‘Surfer’s Ear’ Suggest Ancient Pearl Divers in Panama

Thought to occur mainly in cold-water environments, a new study shows “surfer’s ear” bone spurs can grow even in the tropics

he famous “Catwalk Site," one of the open air displays at the National Museums of Kenya Olorgesailie site museum, which is littered with ~900,000 year old handaxes.

What We Learned About Our Human Origins in 2018

From an upper jaw to red ocher paintings, two Smithsonian scholars note the significant discoveries in human evolution this trip around the sun

In the late 19th century, Ellen Swallow Richards worked to equip women with the tools of chemistry.

Women Who Shaped History

The First Female Student at MIT Started an All-Women Chemistry Lab and Fought for Food Safety

Ellen Swallow Richards applied chemistry to the home to advocate for consumer safety and women’s education

Redwood forest in California, similar to some of the terrain Josiah Gregg and his team crossed at the height of the California Gold Rush.

The Ill-Fated Expedition of a 19th-Century Scientist to Explore the California Wilderness

Even facing exposure and starvation, Josiah Gregg insisted on stopping to take measurements and observations, much to his companions’ distress

Homo neanderthalensis, the earlier relatives of Homo sapiens, also evolved to shed most of their body hair.

Why Did Humans Lose Their Fur?

We are the naked apes of the world, having shed most of our body hair long ago

The Cruces de Molinos site in the Chilean Andes contains rock art depictions of llama caravans, possibly marking a ceremonial site for caravaners passing through the mountains.

Thousand-Year-Old Rock Art Likely Served as a Gathering Point for Llama Caravans Crossing the Andes

Trade caravans, whether supported by mules, camels or llamas, have helped archaeologists piece together the past in many corners of the world

Hand axes from the site of Saffaqah, Saudi Arabia.

Stone Tools at Arabian “Crossroads” Present Mysteries of Ancient Human Migration

Hominins made stone tools in central Arabia 190,000 years ago, and the hand axe technology raises questions about just who they were

A pipe from the Lower Yukon region of Alaska.

North America’s Earliest Smokers May Have Helped Launch the Agricultural Revolution

As archaeologists push back the dates for the spread of tobacco use, new questions are emerging about trade networks and agriculture

Several of the newly identified stone tools – unearthed from a museum collection.

A Fresh Look at These Stone Tools Reveals a New Chapter of Ancient Chinese History

Archaeologists thought these ancient tools, 80,000 years old at least, were brought to China by migrants—but now it appears they were invented locally

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