Threeyzmonkeys, Author at I Learned This Today

#630 Where did the Democratic and Republican parties come from?

June 25, 2023

Where did the Democratic and Republican parties come from? The come from one party called the Democratic-Republican Party, founded by Thomas Jefferson. Everyone that watches the news knows that America has two political parties: the Democratic Party and the Republican Party. They take turns being in charge. The Democratic Party is generally considered to be […]

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#629 What is the immortal hydra?

June 24, 2023

What is the immortal hydra? It is a tiny, freshwater creature that doesn’t appear to age. Hydra are very small invertebrates that live in freshwater ponds, lakes, streams, and rivers. They are about 10 mm long and have a tubular body. At one end of their body they have a mouth surrounded by twelve thin

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#628 When did people start using nails?

June 23, 2023

When did people start using nails? Bronze nails were used in Ancient Egypt in about 3,400 BC. Before people had nails, there were different ways of joining wood together. Some of these techniques are still used today. The most basic way of joining wood to wood was with wood glue. Animal glues have been used

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#627 How can giraffes have such long necks?

June 22, 2023

How can giraffes have such long necks? Giraffes have jointed vertebrae in their neck, a large amount of ligament, and an enormous heart to get the blood to their head. Interestingly, giraffes used to be called camelopards, because they were kind of shaped like a camel and spotted like a leopard. That word came from

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#626 What is the Great Attractor?

June 21, 2023

What is the Great Attractor? It is the theorized gravitational center of our Milky Way Galaxy and 100,000 other galaxies. The universe is expanding at a rate of 2.2 million km per hour. All galaxies should therefore be moving at that speed, but it turns out we are not. Our Milky Way Galaxy is moving

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#625 What causes Parkinson’s disease?

June 20, 2023

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 with time. It is more common in men than women and it generally starts when people are over 60, although 10% of cases start when

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#624 How do cactuses survive in the desert?

June 19, 2023

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 different types of cactus. All types of cactus are native to the Americas, except for the mistletoe cactus, which is found across Africa. The main

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#623 What are bruises?

June 18, 2023

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 outer layer of our skin, the epidermis, doesn’t have any blood vessels. All of the blood vessels are in the dermis. New skin cells grow

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#622 What is the difference between DVD and Blu-Ray?

June 17, 2023

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 DVDs was invented in 1958 by David Paul Gregg, an American engineer, and James Russell, an American inventor. Gregg invented a way to record video

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#621 How long do black holes last?

June 16, 2023

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 are two ways that black holes form. The first way is when a star collapses. As stars die, they burn up all of their hydrogen,

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Author name: Threeyzmonkeys