The Aztecs Sacrificed Humans to Repay Gods, and Other Reasons
Why did the Aztecs sacrifice humans to the gods? Learn more about what this ritual served, along with other purposes.
Why did the Aztecs sacrifice humans to the gods? Learn more about what this ritual served, along with other purposes.
Questions over tests of AI math abilities suggest we may never know how capable intelligent machines computers can become.
Conspiracy theories can muddle people’s thinking
Salt journeys around the planet, leaving its mark at every step — before it's ultimately deposited into the ocean. Here's how the process works, and why the ocean's salt content may be more important than you think.
Lung cancer screening can save lives, but it isn’t accessible to everyone at risk of developing the disease
Recent research sheds light on how you can train your brain to think further ahead.