Did you know?

5 September 2026

1. 01

   An octopus can taste what it touches, because each of its arms is covered in taste-sensing suckers.

2. 02

   The Dead Sea is about ten times saltier than the ocean, which makes it easy for people to float on its surface.

3. 03

   The human nose can tell apart thousands of different smells, even ones it has never encountered before.

4. 04

   Mars has two small moons, Phobos and Deimos, and Phobos is slowly spiraling closer to the planet every year.

5. 05

   A cheetah can accelerate from a standstill to 100 kilometers per hour in about three seconds, faster than most sports cars.

6. 06

   Contrary to popular belief, the Great Wall of China cannot actually be seen from space with the naked eye.

7. 07

   If all the blood vessels in an adult human body were laid end to end, they would stretch about 100,000 kilometers.

8. 08

   Butterflies taste with sensors on their feet, which lets them identify a plant simply by landing on its leaves.

9. 09

   Neptune has the fastest winds of any planet in the solar system, with gusts topping 2,000 kilometers per hour.

10. 10

    A platypus can detect the faint electric fields produced by its prey's muscles to find food underwater with its eyes shut.

11. 11

    Scientists think it may rain diamonds deep inside Uranus and Neptune, formed when methane is crushed under extreme pressure.

12. 12

    Gram for gram, human bone is stronger than steel, while being far lighter in weight.

13. 13

    The Milky Way galaxy is on a slow collision course with the neighboring Andromeda galaxy, expected to merge in about four billion years.

14. 14

    A woodpecker's skull has a spongy layer of bone that cushions its brain from thousands of high-speed impacts every day.

15. 15

    Mantis shrimp have up to 16 types of color receptors in their eyes, far more than the three humans have.

16. 16

    Earth's solid inner core spins at a slightly different rate than the rest of the planet.

17. 17

    Uranus spins almost completely on its side, likely because of an enormous collision early in its history.

18. 18

    Elephants communicate over several kilometers using deep infrasound rumbles too low for human ears to hear.

19. 19

    Human DNA is roughly 98 percent similar to that of chimpanzees, our closest living relatives.

20. 20

    The world's oceans have an average depth of about 3,700 meters, deep enough to submerge most mountains.

21. 21

    An ostrich's eye is bigger than its entire brain.

22. 22

    Ice floats on water because it is less dense than its liquid form, an unusual property most substances do not share.

23. 23

    The ginkgo tree has changed very little in over 200 million years, earning it the nickname "living fossil".

24. 24

    Ferrofluids are liquids containing tiny magnetic particles that form spiky patterns when a magnet is held nearby.

25. 25

    Most of Earth's ozone layer sits in the stratosphere, between about 15 and 35 kilometers above the surface.