Top Layer-2 Coins in 2025. According to our research, the best layer-2 crypto to buy are Mantle, Arbitrum, Optimism, Movement, and Stacks. Read on to learn why we’ve picked these cryptocurrencies.

Vertebral endplates are a protective layer between the vertebrae and intervertebral discs in the spine. Certain conditions, like stenosis, disc herniation, and injuries, can cause back pain. Most ...

Anatomy of the pancreas. The pancreas is an elongated, tapered organ located across the back of the belly, behind the stomach. The right side of the organ—called the head—is the widest part of the ...

Ozone Depletion Research. Learn what caused the holes in the ozone layer and how the ozone layer is recovering since the banning of CFCs. Read how certain clouds affect ozone depletion and more.

We’ve tested this year’s best mattresses for a restful night’s sleep, from Simba to Tempur, Emma and Silentnight. They are: Best mattress overall – Simba Hybrid Pro Best value mattress ...