Misc Musings

When Tattoos are Lasered off They are Excreted by the Wearer

Tattoo ArtistTattoo inks are made of compounds from heavy metals such as lead, copper and zinc. The metals in ink is what enables tattoos to last so long. The ink is injected into the deeper, second level of the skin called the dermis. However, tattoos are not simply erased in the same way you would rub pencil away from a piece of paper.

When someone gets a tattoo, white blood cells immediately start to try and remove them, however the ink particles are larger than the white blood cells and so they cannot break them down.

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Animals Planet Earth

Poison Dart Frogs are no Longer Poisonous in Captivity

frogOne of the most poisonous animals on Earth is the Poison Dart Frog. While only around 5cm long, the Poison Dart Frog has enough venom to kill 10 adult humans. Two micrograms of their toxin (an amount that would fit on the head of a pin) would be enough to kill a person.

The indigenous people of South America used their toxin to poison the tips of their blow darts which would kill any animal or person it hit. However, when kept in captivity the poisonous nature of the frog completely disappears.

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