Right now, the sun is covered in millions of Grand-Canyon-size jets of towering plasma. In a few minutes, they'll all be gone. When you purchase through links on our site, we may earn an affiliate ...

Many corals and sponges form skeletons that support and shape their bodies. Whereas biomineralization – the formation of these skeletons – has been intensively studied in corals, the main ecosystem ...

In general, bone spicules are bony spurs or ledges that occur along the edges or on top of bones. Bone spurs may grow following bone damage, or after bone loss like that caused by osteoarthritis. Bone ...