Why is Mexico City sinking? Mexico City is sinking because they are pumping more water out of the underground aquifer than can be replaced. Mexico City is the capital of Mexico, and it has a population of almost 22 million people, which is over 17% of the population of Mexico. Since the beginning of the […]
#1047 Why is Mexico City sinking? Read More »
How do painkillers work? By reducing the chemical responsible for pain, by reducing the amount of the chemical responsible for pain in the brain, or by blocking the pain signals to the brain. Painkillers are called analgesics, which comes from the Greek word analgesia, meaning “without pain”. It was first used in reference to painkillers
#1046 How do painkillers work? Read More »
Why are flamingos pink? Flamingos are pink because of all the carotenoids that they eat. Flamingos are famous for sleeping on one leg while standing up, for eating upside down, and for being a brilliant shade of pink. However, when they are born, they are a slightly off-white color. They take on their pink color
#1045 Why are flamingos pink? Read More »
What causes an ice cream headache? It is caused when something cold touches the roof of the mouth and makes the blood vessels constrict. It turns out that no one knows for definite what causes an ice cream headache. Many of us have experienced one and it is also called brain freeze. Its official name
#1044 What causes an ice cream headache? Read More »
Why do snails have teeth? They use their teeth to scrape away pieces of food. Snails are not the only gastropods that have teeth. Slugs basically evolved from snails and they have teeth as well. Both slugs and snails have thousands of microscopic teeth. Depending on the size of the snail, they can have over
#1043 Why do snails have teeth? Read More »
Why is breakdancing called breakdancing? Breakdancing was dancing that filled a break in the music. Breakdancing is generally only called breakdancing by the general public. People who breakdance are called breakers, or break-boy (b-boy) and break-girl (b-girl). Breakdancing is a type of dance, but b-boys and b-girls live a lifestyle which has a culture of
#1042 Why is breakdancing called breakdancing? Read More »
Why do male seahorses give birth? Male seahorses give birth because it gives the female time to make more eggs. All living organisms have to reproduce in order to keep their DNA going. However, they don’t all reproduce in the same way. There are two types of reproduction: sexual and asexual. There is only one
#1041 Why do male seahorses give birth? Read More »
Manor, mansion, villa, stately home or hall? They are all words that describe a large, expensive house, but they have slightly different origins. A manor is a British term now, but the tradition of manors comes from all over western Europe, having started in Rome. The word comes from the Latin “manere”, which meant remain,
#1040 Manor, mansion, villa, stately home or hall? Read More »
What is a cavity? It is a hole in the enamel of the tooth that bacteria can get in through. We have 32 teeth, assuming you haven’t had your wisdom teeth out, and they are divided into three different types of teeth. We have incisors, canines, and molars. Incisors are the cutting teeth. The name
#1039 What is a cavity? Read More »
Why did we lose all our fur? There are several hypotheses, but probably so that we could cool down more easily. However, nobody knows the actual reason why we lost our fur and there is no way of knowing when we lost it, as well. We are the only hairless ape, but we are obviously
#1038 Why did we lose all our fur? Read More »
