Día de los Muertos (Day of the Dead) celebrations have begun in Mexico City, with hundreds taking to the streets dressed as La Catrina, the iconic Mexican skeleton figure: https://cnn.it/4od4VN0 | CNN International

Watch this skeleton hand rise from the “grave” using nothing but air and water! 💀🎃 A spooky Halloween science trick that's easy to set up, and seriously fun to watch with your kids. #HalloweenScience #TheDadLab | TheDadLab