Sunflower at night
- Plants don't have central nervous systems that seem to be key in what we think of as sleep in humans. But plants do have circadian rhythms tuned to Earth's 24-hour light-dark cycle, which they maintain even if they're kept in light fulltime, just as we do.But they do tune themselves to a 24-hour circadian rhythm, just like you.
- The Earth appears to have a whole new underground continent called Zealandia. The discovery itself isn’t new – some geologists have been arguing for its existence for many years. However, in 2017 a team of scientists concluded Zealandia fulfils all the requirements to be considered a drowned continent.
3.Pugs’ cute little flat faces are the result of a genetic mutation
4. There is enough DNA in the average person’s body to stretch from the sun to Pluto and back — 17 times
5.In an entire lifetime, the average person walks the equivalent of five times around the world The average moderately active person takes around 7,500 step/day. If you maintain that daily average and live until 80 years of age, you’ll have walked about 216,262,500 steps in your lifetime.
6.Killer whales are actually dolphins
https://media.giphy.com/media/vvcB7ZS8pMEPViI0l2/giphy.gif
Despite their name, killer whales or orcas are the largest members of the dolphin family. Technically, orcas are also whales because delphinids belong to the Cetacean order within the toothed whale (Odontoceti) suborder. However, the term whale is typically reserved for baleen whales of the Mysticeti suborder.
The major physical feature that ensures orcas are dolphins is the presence of a melon — a fatty deposit that assists the animals in echolocation and only exists in dolphins.
7 . An individual blood cell takes about 60 seconds to make a complete circuit of the body
8 The known universe is made up of 50,000,000,000 galaxies.
There are between 100,000,000,000 and 1,000,000,000,000 stars in a normal galaxy. In the Milky Way alone there might be as many 100 billion Earth-like planets.