Metals play a vital role in our lives. They help in several critical biological functions and their scarcity may lead us to a long list of diseases. Metals are also used in designing drugs to treating conditions such as arthritis, cancer and ulcer. Some essential metals for humans include sodium, magnesium, potassium, calcium, manganese, vanadium, iron and copper.
Researchers around the world are trying to work out whether existing COVID vaccines protect us from the latest variant, Omicron. The worst-case scenario is the virus has mutated so much in the crucial parts of its genome that it can escape COVID vaccines designed to protect us from earlier versions of the virus. But it's too soon to panic.
Long before actor Sylvester Stallone became famous as "Rocky" and "Rambo," the Hollywood star was a prolific painter whose fine art works are now on show.
Novel Coronavirus 2019 also known as COVID-19 or nCov-2019 is a severe acute respiratory syndrome first found in the city of Wuhan in China in 2019. Coronavirus has now spread to many parts of the world, including the US, Italy, Ireland, Azerbaijan, Ecuador, Monaco, Qatar, Iran, Japan and India with the most number of cases and deaths being reported from China.