Continual questioning of observations.
Dinosaur fossils had been known for centuries as "dragon bones" or the remains of giants, but it wasn't until Dean William Buckland of Oxford, England described the carnivorous "lizard" Megalosaurus<span> (in 1824) that they were formally studied as an extinct group of giant reptiles</span>
Uracil pairs with adenine in RNA base
No becuase it is made of hydrogen so it dosen't freeze
