On May 29, 1953, Tenzing Norgay and Edmund Hillary became the first climbers to reach the summit of Mount Everest, the world’s tallest mountain. Their success was a media sensation, coming after more than three decades of failed expeditions. Despite the numerous dangers—the climate and high altitude have extreme effects on the human body, evidenced by the numerous corpses on the mountain—Everest has become the goal of many climbers. By the early 21st century, overcrowding and inexperienced mountaineers were major problems.
Viruses, Bacteria, and Diseases
If a person has lockjaw, what disease is he or she suffering from? From poliomyelitis to influenza, learn more about viruses,…
The Roman Empire
In what year did the Roman Empire come to an end? How many hills was Rome built on? From Julius Caesar to the city-state’s…
Put your science smarts under the microscope and see how much you know about bloodstones, biomes, buoyancy, and more!
Computers and Technology
Computer chips host websites composed of HTML and send text messages as simple as...LOL. Hack into this quiz and let a chip…
This or That? Fruit vs. Vegetable
Where is the line between fruit and vegetable really drawn? Test your knowledge with this quiz.
Largest, Tallest, and Smallest Around the Globe
What is the smallest country in the world? Which continent is the biggest? Test your knowledge of extremes around the world.
Inventors and Inventions
Our earliest human ancestors invented the wheel, but who invented the ball bearing that reduces rotational friction? Let…
What was the name of Franz Ferdinand’s assassin? Who was known as the Iron Chancellor? From the Irish famine to Lady Godiva,…
New on Britannica
This rift valley in the Middle East drops more than 1,400 feet (430 metres) below sea level at the Dead Sea, the lowest natural point on Earth’s surface.
Harp seals have been targets of Canada’s seal industry for centuries, but they are receiving a bit of a reprieve in 2020 due to the coronavirus outbreak. While the author of this piece expects that the seal hunt will resume when…