How Early Humans Survived the Ice Age - HISTORY

The most recent ice age peaked between 24,000 and 21,000 years ago, when vast ice sheets covered North America and northern Europe, and mountain ranges like Africa’s Mt. Kilimanjaro and South America’s Andes were encased in glaciers.

At that point our Homo sapien ancestors had migrated from the warm African heartland into northern European and

Eurasian latitudes severely impacted by the sinking temperatures. Armed with big, creative brains and sophisticated

tools, though, these early modern humans—nearly identical to ourselves physically—not only survived, but thrived in

their harsh surroundings.

Language, Art and Storytelling Helped Survival

For our Homo sapien forebears living during the last ice age, there were several critical advantages to having a large

brain, explains Brian Fagan, an emeritus professor of anthropology at the University of California, Santa Barbara, and

author of many books, including Cro Magnon: How the Ice Age Gave Birth to the First Modern Humans and Climate

Chaos: Lessons on Survival from our Ancestors.

However, “One of the most important things about Homo sapiens is that they have fluent speech,” says Fagan, “plus the ability to

conceptualize and plan ahead.”

With the advent of language, knowledge about the natural world and new technologies could be shared between

neighboring bands of humans, and also passed down from generation to generation via storytellers.

“They had institutional memory through symbolic storytelling, which gave them a relationship with the forces of the

environment, the supernatural forces which governed their world.”

Also through music, dance and art, our ancestors collected and transmitted vast amounts of information about the

seasons, edible plants, animal migrations, weather patterns and more. However, the elaborate cave paintings at sites like Lascaux

and Chauvet in France display the intimate understanding that late ice age humans possessed about the natural world,

especially the prey animals they depended on for survival.

This ice age-era painting in the Chauvet Cave in southern France dates to around 32,000-30,000 B.C.
This painting in the Chauvet Cave in southern France dates to around 32,000-30,000 B.C.

“When wildlife biologists look at those paintings of reindeer and bison, they can however, tell you what time of year it

was painted just from the appearance of the animals’ hides and skins,” says Fagan. “The way these people knew their

environment was absolutely incredible by our standards.”

Tools Used by Ice Age Humans

The last ice age corresponds with the Upper Paleolithic period (40,000 to 10,000 years ago), in which humans made

great leaps forward in toolmaking and also weaponry, including the first tools used exclusively for making other tools.

One of the most important of these was called a burin, a humble-looking rock chisel that was used to cut grooves and

notches into bone and antler, lightweight material that was also hard and durable. The intricate spearheads and

harpoon tips made from that bone and antler were small and light enough to carry on foot by hunters over long

distances, and were also detachable and interchangeable, creating the first compound tools.

“Think of the Swiss army knife—it’s the same thing,” says Fagan. “The weaponry they made covered an extraordinary

range of specialized tools, most of which were made from grooving antler and bone.”

Magdalenian tools
Microliths were added to bone tools like these, including needles, harpoons and projectile points.

But even these sophisticated hunting weapons were useless outside of close-range attacks, which sometimes required

the hunter to leap on the back of his massive prey. Once again, our human ancestors used their intelligence and

planning skills to take some of the danger and guesswork out of hunting.

In addition, in one famed hunting ground in eastern France, ice age hunters built fires every fall and spring to corral migrating

herds of wild horses and reindeer into a narrow valley marked by a limestone tower known as the Roche de Salutré.

Once in the corral, they could kill the animals easily at close quarters, harvesting an abundance of meat that

was then dried for the summer and winter months. Archeological evidence shows that this well-coordinated slaughter went on for tens of thousands of years.

Invention of the Needle Brings Tailored Clothing

When the first humans migrated to northern climates about 45,000 years ago, they devised rudimentary clothing to

protect themselves from the cold. They draped themselves with loose-fitting hides that doubled as sleeping bags, baby

carriers and also hand protection for chiseling stone.

But everything changed around 30,000 years ago with what Fagan argues is the most important invention in human

history: the needle.

“If you saw a needle from 20,000 or 30,000 years ago, you’d know what it was in an instant, a very fine-pointed tool

with a hole in one end to put thread through,” says Fagan. “The miracle of the needle was it enabling humans to

make tight-fitting clothing that was tailored to the individual, and that’s vital.”

Like modern mountaineering clothing, clothes from the late ice age were meant to be worn in layers. An ice-age tailor

would carefully select different animal skins—reindeer, arctic foxes, hares, even birds like ptarmigans—and sew

together three or four layers, from moisture-wicking underwear to waterproof pants and parkas.

Thread was made from wild flax and other vegetable fibers and even dyed different colors like turquoise and pink. The

result was a fitted, versatile wardrobe that fully protected its wearer from sub-freezing temperatures.

Rock Shelters Provided Protection From Weather

For shelter in the coldest months, our ice age ancestors didn’t live deep in caves as Victorian archeologists once

believed, but they did make homes in natural rock shelters. These were usually roomy depressions, into the walls of

riverbeds beneath a protective overhang.

Fagan says there’s strong evidence that ice age humans made extensive modifications to weatherproof their rock

shelters. They however, draped large hides from the overhangs to protect themselves from piercing winds, and built internal

tent-like structures made of wooden poles covered with sewn hides. All of this was situated around a blazing hearth,

which reflected heat and light off the rock walls.

In the brief summer months, the hunters would move out into the open plains that stretched from the Atlantic coast of

Europe all the way to Siberia. With cold temperatures persisting at night, shelter was taken in dome-shaped huts

partially dug into the earth.

“The framework was built from a latticework of mammoth bones, either hunted or raided from carcasses,” says Fagan.

“On top of it they’d lay sod or animal hides to make a house that was occupied for months on end.” 

By Cynthia N.

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