Pregnancy quiz: Can you deliver on the science of growing babies?
As placental mammals, humans give birth to live young. Pregnancy begins on the first day of the last menstrual period, roughly two weeks before conception....
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Weapons of the world quiz: Can you identify these historical objects of war?
Ancient armies fought with a variety of weapons, each shaped by the materials, tactics and cultures of their time. From swords to guns to catapults,...
Earth quiz: What do you know about our planet’s most amazing features?
Earth is rocky, wet and older than the hills. But do you know its secrets? For instance, why do deserts form next to oceans, and...
Artemis II quiz: Is your knowledge of NASA’s historic moon mission out of this world?
NASA’s Artemis II mission, which shot humanity back to the moon for the first time in over 50 years, has captivated people around the world....
Octopus quiz: Are you a sucker for cephalopod science?
Octopuses are a useful reminder that complex life can be organized in very different ways. With no backbone, their anatomy departs sharply from the body...
Computing quiz: Can you match these ‘ancient’ devices to their pictures?
While devices like smartphones and laptops are ubiquitous now, these machines weren’t always so common. The origins of computing go back well before the advent...