Regrowing knee cartilage: new animal studies show promise

Breslavtsev Oleg/Shutterstock In our joints, a slippery, elastic tissue called cartilage covers the ends of the articulating bones. If this protective covering is lost through injury or ageing, it leaves bone grinding painfully against bone. Cartilage injuries are very common and rarely heal spontaneously. This can cause further damage toContinue Reading

Aerial view of a cat and a dog on a person's lap.

Some UK care homes are to deploy robots in an attempt to allay loneliness and boost mental health. The wheeled machines will “initiate rudimentary conversations, play residents’ favourite music, teach them languages, and offer practical help, including medicine reminders”. They are being introduced after an international trial found they reducedContinue Reading

The Conversation

Two recent studies have confirmed that people previously infected with SARS-CoV-2, the virus that causes COVID-19, can be reinfected with the virus. Interestingly, the two people had different outcomes. The person in Hong Kong showed no symptoms on the second infection, while the case from Reno, Nevada, had more severeContinue Reading