Technology that allows us to travel time doesn't exist, but it might be possible according to theory. Famous scientist Albert Einstein theorized that time is relative depending how fast you travel. For example, the faster you move in space, the slower you move in time. But to travel a significant amount of time, you'd need to travel close to the speed of light...
When alcohol reaches our liver to metabolize, it produces the highly toxic chemical acetaldehyde. Our bodies combat this with acetaldehyde dehydrogenase, a naturally ocurring enzyme. But drinking too much can overwhelm these enzymes, leading to a build up of acetaldehyde. This may result in a hangover, nausea, fatigue and even loss of intelligence.
Have you ever laughed at someone tripping, hurting or failing?
Finally, some good news for our Earth! According to a U.N. report, the hole in the Earth's ozone layer is healing and is expected to fully heal by the 2060s.
You won't see any movies about it or hear many stories but India made massive contributions to WWI and WWII. In 1939, at the beginning of WWII, India's army had 200,000 men. By the end of the war, it reached 2.5 million soldiers, all of them were volunteers, making it the largest volunteer army ever.
Interested in riding on the Titanic? Well, you might be able to do so soon.
This Floating Pipe Is Trying to Clean Up 90% of Ocean Debris by 2040
People have left its physical mark on the planet, sometimes by accident but mostly on purpose-however destructive that purpose might be.
Thanks to some scraps of DNA and a lot of scientific ingenuity there's hope that some long-extinct creatures may walk the Earth again.
These inventors have made incredible contributions to science, industry and human life.
Smoking weed might be able to help you with some of these illnesses and maladies.
100 companies control the future of our world and environment as we know it.