The T.rex likely had feathers. Scientists in China discovered Early Cretaceous period tyrannosaur skeletons that were covered in feathers. If the ancestors of the T. rex had feathers, the T. rex probably did, too. What? Documentary series about one of the largest serial sexual abuse cases in U.S. history and how it happened

The youngest football player to play in a World Cup was Norman Whiteside of Northern Ireland in 1982 at age 17. The Sun makes a sound but we can't hear it. In the form of pressure waves, the Sun does make a sound. The wavelength of the pressure waves from the Sun is measured in hundreds of miles, however, meaning they are far beyond the range of human hearing. Earth’s rotation is changing speed. It's actually slowing. This means that, on average, the length of a day increases by around 1.8 seconds per century. 600 million years ago a day lasted just 21 hours. Strong winds on Mars can create huge dust tornadoes called dust devils over half a mile wide and high. Brazilian legend Pele claims he scored over 1,200 goals in his career, though not all were officially recorded.

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A horse normally has more than one horsepower. A study in 1993 showed that the maximum power a horse can produce is 18,000W, around 24 horsepower. Mars appears reddish-orange because the iron minerals in the soil rust from exposure to water and air.

Lions are powerful carnivores, meaning they primarily eat meat, and their diet consists mainly of large herbivores. The Universe's average colou r is called 'Cosmic latte'. In a 2002 study, astronomers found that the light coming from galaxies averaged into a beige colour that’s close to white. You don't like the sound of your own voice because of the bones in your head. This may be because the bones in our head make our voice sound deeper.Stephen Hawking wrote about parallel universes before his death. If you travel faster than the speed of light, you’ll age less.

Your mass resists the acceleration of a particularly gnarly loop and keeps you on your seat. Pi is an irrational number. Mercury, not Venus, is the closest planet to Earth on average. On average, Mercury is 1.04 astronomical units (AU) away from Earth compared to the 1.14 AU average distance between Earth and Venus. One AU is equal to the average distance between the Earth and the Sun. Venus still comes closest to Earth as part of its orbit around the Sun, however.

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Earth’s poles are moving. This magnetic reversal of the North and South Pole has happened 171 times in the past 71 million years. We’re overdue a flip. It could come soon, as the North Pole is moving at around 55 kilometres per year, an increase over the 15km per year up until 1990. With 63 chapters, this book has a nice mix of science, history, pop culture, and all sorts of stuff in between. Each chapter contains 25 concise yet engaging factoids that are sure to make you think and at times laugh. What is it? The go-to podcast to learn everything about spying on other people online, while avoiding to be spied on You could sweat when you're anxious to alert others. One theory suggests we've evolved to sweat whilst anxious to alert the brains of other people around us so they are primed for whatever it is that's making us anxious. Brain scans have revealed that when you sniff the sweat of a panic-induced person, regions of the brain that handle emotional and social signals light up. When you're anxious your sympathetic nervous system releases hormones including adrenaline, which activates your sweat glands. Female lions are responsible for raising the cubs, teaching them how to hunt, and protecting them from predators.

We only see it that way because the sun’s wavelengths react with the difference in the atmosphere. Gelatin doesn’t break if you tap it because of surface tension.

Lions have a special adaptation called retractable claws that allow them to extend their sharp claws for hunting and retract them when walking. Lions are skilled hunters and can run up to 50 miles per hour (80 kilometres per hour) in short bursts while chasing prey. Although it has striped markings like zebras, the okapi is most closely related to the giraffe. In fact, the okapi and the giraffe are the only two living members in the family Giraffidae. Because of its resemblance to zebras, the okapi is also called zebra giraffe. 405/500