2023 has been...weird. Join Mashable as we look back at everything that's delighted, amazed, or just confused us in 2023. Below 1,000 meters, the ocean is eternally dark. Sunlight can't penetrate ...

These nodules can act like batteries that split seawater into hydrogen and oxygen In an unexpected twist, metal-rich nodules found on the seafloor are generating oxygen, new research suggests. This ...