Science and medicine

 There are more trees on Earth than stars in our galaxy    NASA experts believe that there are 100 billion to 400 billion stars in the Milky Way galaxy. But, in 2015, a journal of nature published the estimated number of trees around the world with a high count of 3.04 trillion. Oxygen as a colour As a gas, the oxygen is odourless and colourless, but, in solid and liquid form, it shows a pale blue colour. Only one letter doesn't appear in the periodic table       It's the letter 'J' .(you can double check it ) Bananas are radioactive.    Bananas contain potassium, where it gets decay. That makes them slightly radioactive, but it's nothing you need to worry about. You need to eat 10,000,000 bananas at once to die of radiation poison it was, given to a Forbes report.