Curated playlist
Earth sciences
- PaleontologyFor more than two thousand years, people struggled to accept that creatures could vanish forever.
- GeophysicsIn 132 AD, Zhang Heng built an earthquake detector that dropped a bronze ball into a toad's mouth.
- GeomorphologyWhy does a river cut a V-shaped valley while a glacier carves a U? Geomorphology studies how Earth's surface took shape.
- OceanographyOne ship's 1870s voyage turned up around 4,700 new species of marine life.
- Earth's energy budgetThe top few meters of Earth's oceans hold more energy than the entire atmosphere.
- Giant-impact hypothesisA Mars-sized body named Theia slammed into the young Earth and flung out the rock that became the Moon.
- Global surface temperatureEarth's surface has warmed at least 1.1 degrees Celsius since the mid-1800s.
- EarthA Mars-sized object called Theia hit the young Earth, and the scattered debris became the Moon.
- History of lifeLess than one percent of all species that have ever lived are alive today.
- Ocean heat contentThe oceans have set a new heat record every year for the past eight years. The upper 2000 meters hit a new high in 2024.