The experiment was inspired by reports of the Mpemba effect, the counterintuitive observation that hot water sometimes freezes faster than cold. ... the bead was cooled in a bath of water.

Photosynthesis in plants and a few bacteria is responsible for feeding nearly all life on Earth. It allows energy from the Sun to be converted into a storable form, usually glucose, which plants ...

Fill the bowl with water then place your leaf in the water using the pebble to keep it full submerged. Place the bowl with leaf in a summer spot and leave it for at least 5 hours (24 hours is best).