The secret map tracking where you go

The U.S. military creates a ton of stuff. Weapons, ammunition and armored vehicles are what come to mind. But the military has been instrumental in some of last century’s greatest inventions. So much so that you probably use something invented by it every day without knowing.

Have you ever wondered what was behind the loudest sound on Earth? To put things in perspective, a vacuum cleaner is around 70 decibels, a blender is about 90, and a live rock band will produce about 120. So what made a sound so loud it may have been almost 250 decibels?

If you have ever seen a hummingbird, you may have noticed the bright colors on its stomach or how it appears to change shades in the light. This is called Iridescence, and many animals have it. The change of color comes from how light is reflected off their bodies. But why do animals have this ability, and what makes it an evolutionary benefit?

Have you ever thought about alternative methods of reaching space other than giant rocket ships? Almost 50 years ago, scientists wanted to learn if it was possible to construct a massive gun to launch something at extreme speeds into space. But did they succeed in this ambitious endeavor?

Plus, Kia and Hyundai’s important update to stop car theft. How mail trucks are mapping cell networks all over the nation. And rent your extra space out for some extra cash.

Have you ever thought about the history of ketchup? This tangy, sweet, slightly spicy condiment can add zest to any meal. But how did it become so widely loved, and how long has it been around?

Monsoons are intense storms that can cause flooding and bring strong winds and heavy rain in the southern U.S. However, they also clean the atmosphere by removing harmful particles and cooling the temperature. Have you experienced the benefits of monsoons on the air you breathe?

Scientists recently discovered an even lighter element than hydrogen, and it could revolutionize chemistry. This new finding challenges the previous belief hydrogen is the simplest element with just one proton and electron. So what does this mean for the scientific community as a whole?

Love is a complex and intricate emotion. We all yearn for love, but the pain can be overwhelming when it’s lost. While it’s true that it originates in the chemistry of our brains, can science honestly explain love? Does it involve more than just chemical reactions?

James Bedford was the first person cryogenically frozen after his death, way back in 1967. His hope was that someday advanced technology would enable him to be thawed and brought back to life. Was his optimism well founded? Will we ever achieve the capability to revive cryogenically frozen individuals?