Platinum dust and a platinum ring have a silver color. This is an intrinsic property. True or false?

Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?

What happens to the temperature of a substance when the average kinetic energy of its particles increases?

When did stem cell research become known ? who discovered stem cell? what experiments or studies have been conducted so far?