The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Did you know?
More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
Did you know?
The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.
A comparison of transmission and scanning electron microscopy
Insects Under the Electron Microscope
Scorpions, Spiders and Sharks: Electron-Microscope Images
Scorpions, Spiders and Sharks: Electron-Microscope Images
Electron micrograph of pre-rRNA transcription units from the nucleolus of a frog
Electron microscope video of a needle on a vinyl record