This replica of Otzi, the Alpine caveman frozen in time, mimics his clothes and features—including scars and tattoos still visible after 5,000 years on ice.
Photograph by Robert Clark, National Geographic
medical process that involves treating pain or illness with the insertion of needles at specific points in the body.
season between summer and winter. Also called fall.
wetland of soft ground made mostly of decaying plant matter.
prehistoric remains of a person, preserved and discovered in a wetland bog.
natural or artificial line separating two pieces of land.
infectious, sometimes fatal disease that harms the intestines.
weapon made of a short, sharp blade.
area of land that receives no more than 25 centimeters (10 inches) of precipitation a year.
tools and materials to perform a task or function.
thick hair covering the skin of an animal.
to walk a long distance.
water in its solid form.
skin of an animal, prepared for use as clothing, protection, shelter, or other use.
someone who climbs mountains.
series or chain of mountains that are close together.
layers of partially decayed organic material found in some wetlands. Peat can be dried and burned as fuel.
local, state, or national government organization for law enforcement.
period of time that occurred before the invention of written records.
to maintain and keep safe from damage.
grass with tall, strong stalks that grows in marshy ecosystems.
any area on Earth with one or more common characteristics. Regions are the basic units of geography.
materials left from a dead or absent organism.
to make known or uncover.
having an irregular or jagged surface.
region of land stretching across Russia from the Ural Mountains to the Pacific Ocean.
flat, thick piece of material such as earth or stone.
dry, flat grassland with no trees and a cool climate.
to stagger, walk unsteadily, or trip.
permanent ink decoration on skin.
topographic features of an area.
person who travels for pleasure.