Scleral buckling is a surgical procedure used to repair a retinal detachment. Learn more about when you need it, how to prepare for the surgery, and the long-term outlook.

Knee buckling is when one or both knees feel weak and give out. It can be accompanied by pain, but not always. If it happens a lot, it could be a sign of an underlying medical condition.

Knee buckling is common and can signify injury or an underlying condition. It can affect people of all ages and levels of fitness. It is often possible to treat it at home or with physical therapy.

An engineer has designed a model to guide better design of thin-walled structures, like planes, cars and submersibles, to avoid catastrophe like sudden collapse due to buckling.