#625 What causes Parkinson’s disease?
What causes Parkinson’s disease? It is caused by a loss of nerve cells in the basal ganglia part of the brain. Parkinson’s disease is a disease that gets progressively worse…
What causes Parkinson’s disease? It is caused by a loss of nerve cells in the basal ganglia part of the brain. Parkinson’s disease is a disease that gets progressively worse…
How do cactuses survive in the desert? They have adaptations in their roots, leaves, and stems that help them retain water and survive in desert conditions. There are about 2,000…
What are bruises? They are where blood vessels near the skin’s surface are broken after an impact. There are three layers in the skin: the epidermis, dermis, and hypodermis. The…
What is the difference between DVD and Blu-Ray? Their age, size, quality, audio, and the disc reading technology. DVD is an older technology than Blu-Ray. The technology used to read…
How long do black holes last? Black holes will slowly dissolve, but it will take far longer than the length of our universe, so it has never been observed. There…
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…
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…
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…
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…
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,…