Why do Greenland sharks live so long? Partly because of their very slow metabolism. Greenland sharks are large sharks that live in the northern parts of the Atlantic Ocean and in the Arctic Ocean. They live near Greenland, hence the name. They can grow up to 7 meters in lengths and they can weigh up […]
#620 Why do Greenland sharks live so long? Read More »
Why don’t shipping containers fall off ships? Well, they do sometimes, but generally they are fastened down with lashing rods. There are almost 5,500 container ships in the world and they ship over 11 billion tons of cargo around the world every year. The size of the ships has also increased year by year. The
#619 Why don’t shipping containers fall off ships? Read More »
What causes the “wall” when running? It is caused by your liver and muscles running out of glycogen. All of the chemical processes in our bodies only work if we can supply them with energy. We get that energy from the food we eat. Whenever we eat anything, it is broken down in our intestines
#618 What causes the “wall” when running? Read More »
How does a heat-seeking missile work? By detecting and homing in on the infrared radiation released by a plane. Heat-seeking missiles are either launched from a plane or from the ground. They lock onto a target plane, correct their course as they track the plane, and then detonate either when they hit the target or
#617 How does a heat-seeking missile work? Read More »
Why do hyenas have long necks? To give them more strength and leverage for when they eat their food. There are four types of hyena. These are the brown hyena, the aardwolf, the spotted hyena, and the striped hyena. The hyena we most closely associate as a hyena is the spotted hyena. They all vary
#616 Why do hyenas have long necks? Read More »
Is cryosleep possible? In theory, yes, but not for the length of time needed to travel anywhere decent in space. The idea behind cryosleep is to put astronauts into a state of suspended animation for the length of time it would take for them to reach wherever they are going. The advantages of this are
#615 Is cryosleep possible? Read More »
How much can a bladder hold? Approximately 500 ml in women and 500 ml in men. The bladder is an expandable muscular sac. It has an inner lining of cells, three layers of muscle, a layer of fat, and then another layer of cells. It is connected to the urethra at the bottom and has
#614 How much can a bladder hold? Read More »
What is Munchausen Syndrome by Proxy? It is a psychological illness where a parent or caregiver pretends their child is sick in order to get attention and sympathy. Munchausen Syndrome by proxy is technically known as Fabricated or Induced Illness (FII) in the UK or Factitious Disorder Imposed on Another (FDIA) in the USA. It
#613 What is Munchausen Syndrome by Proxy? Read More »
Why does bread need yeast? Bread doesn’t have to have yeast and there are many breads made without it. However, if you want the bread to rise, then it needs yeast. Yeast is a single-celled organism called Saccharomyces cerevisiae. It is a fungus, which means they make their energy by decomposing other things. There are
#612 Why does bread need yeast? Read More »
How does an ion thruster work? It creates thrust by accelerating ions using electricity. An ion is a charged atom or molecule. Atoms always have an equal number of electrons and protons. Electrons have a negative charge and protons have a positive charge. Because there is an equal number of each, the charges balance themselves
#611 How does an ion thruster work? Read More »
