This is a pair of great tits. They are referred to as great tits because they’re large for the tit family. Their distinctive appearance makes them easy to recognize and they are a common sight in urban parks and gardens. The booby family is another delightful one. You’ve probably heard of blue-footed and red-footed boobies, but did you know there’s more boobies out there? Here’s a couple of masked boobies, the biggest of the boobies, found on beaches in the Bahamas and the West Indies.

Human DNA contains all the necessary genes to produce feathers - it's merely a matter of selective activation. DNA is a molecule that is inside nearly every cell of every known living organisms and some viruses. It contains the genetic information necessary for the development, functioning, growth and reproduction of every living thing. It connects all life - past, present and future.

If you took the DNA from one of your cells, uncoiled it and placed the strands end to end, it would measure 6 ft. If you did this for all of your DNA, the resulting strand would be 67 billion miles long. That's long enough to wrap around Earth more than 2 million times. Or you could send it to the moon and back 150,000 times.

From the heart shaped craters on Mars to the muscle pumping blood in your chest, Weird Science hopes you will accept this thread as a heartfelt Valentine’s Day gift. There are approximately 75 trillion cells in your body and your heart pumps blood to almost all of them. Almost all, you ask? Yup, transparency is essential to your corneas so they are the only part of your body without blood vessels.

(GIF by xavieralopez)