Jean D. asks: Why do we need oxygen to live? Take a deep breath. Now repeat. Do this about 16 times per minute and you usually get all the oxygen your body needs. Every wonder why you need oxygen to survive in the first place? All life as we know it occurs because of how atoms and molecules interact with each other. All this chemistry needs to happen in a very specific way to allow our bodies to maintain themselves appropriately. Some of those processes will happen consistently- things like ...read more

Science has gone a long way in discovering the mysteries of our planet, our existence, and the universe. In the last few years alone, we’ve fully sequenced the human genome, photographed a black hole, and managed to land a spacecraft on an asteroid. All incredible feats that we once considered impossible. But for all our technological advances, there are still some mysteries that humanity just can’t seem to solve despite its best efforts. From the origin of strange signals from distant gala ...read more

Laura A. asks: What exactly do Scientologists believe? Oh boy, we can already tell that the comment section for this one is going to be a ton of fun, so let’s just get straight to it. The Church of Scientology has a reputation as an infamously secretive and litigious organisation that hides its inner workings far from the prying eyes of the public. As a result, we kind of expected piecing together the church’s beliefs and stance on certain social issues to be a difficult, unforgiving slo ...read more

In mammals, including humans, the main purpose of the nipple is to help nurse the offspring. This function is so important to organisms like us that it is considered one of our defining features. Yet, men and other male mammals are generally incapable of breastfeeding babies even though they have nipples. So why do men have nipples? and do they serve any purpose? Let’s find out! Why do male embryos develop nipples? Human embryo, scientifically accurate 3D illustration. According to ex ...read more

Taking a walk around Dallas, you are sure to notice a very odd sight – a giant eye placed in downtown Dallas! It is a gleaming orb that is 30 feet tall sitting right outside the Joule Hotel!  The giant eyeball structure is a must in the things-to-do on anyone’s Dallas list. The Joule Hotel is known for its art collection of original artworks from Andy Warhol, Tony Cragg, Richard Philips, and Adam Fuss. What does the Giant Eyeball in Dallas structure represent? Image cred ...read more

Contrary to popular opinion the $2 bill is neither rare nor out of circulation, with millions of them being printed by the U.S. Bureau of Engraving and Printing each and every year. Despite this, you’ll occasionally get cashiers who refuse to accept them, thinking them fake, and even the occasional news report of the cops being called on someone who tries to use one, only for the establishment management to learn that the $2 bill is totally a thing. So why does the bill seem so rare in ci ...read more

Dignified, loyal and, above all, very fury, guide dogs are a vital tether to the outside world for many blind and visually impaired people that allow them to live more independent, if dog hair covered, lives. As you’d expect, training one of these wonder-dogs is no easy feat and requires teaching the canine in question to ignore many of its own base instincts… including, yes, the desire to poop. Before getting to that, let’s first talk about how prospective guide dogs are chosen. Give ...read more

It’s no secret that brutal criminals exist. However, it can be strange to think that despite being ruthless in their crimes, many of them were able to escape detection. In fact, from appearing on television shows to reporting on their own crimes, there are criminals who managed to hide in plain sight for quite a long time. Now, if that has caught your fancy, here are ten such brutal criminals who hid in plain sight.   1 Rodney Alcala, the Dating Game Killer In 1978, the serial killer ...read more

Russia is the largest country in the World, and Alaska is the 49th state in the United States. Russia, in 1867, sold Alaska to the United States for $7.2 million. Russia and the United States were allies because of their common dislike of the British. If you have a look at how close Alaska is to Russia now, you will be surprised. Here is a deep dive into the distance between these two regions and the history of the Alaska and Russian deal. Russia Sold Alaska for $7.2 million which is about $11 ...read more

Redheads always get singled out in a crowd for their unique hair color. Apart from having a hair color that stands out, there are several characteristics that biologically make them unique compared to blonde or brunettes. Scientists say they have superpowers that are genetic, like having a high tolerance to pain, but they are also very vulnerable to certain diseases, like skin cancer, due to their gene mutation. Here are some interesting facts about redheads. 1 Red hair results from a mutatio ...read more