Did you know?
People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.
Did you know?
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
These examples of stimuli were used in the experiment by Vinckier et al. (2007). Mouton is the Frenc
A hapless Taft is entangled in governmental yarn, while a disapproving Roosevelt looks on. “Goodness
Review of Changes in Careers over Adulthood
How to solve word problems with two unknowns (Question 2)
Proportional reasoning word problems
Mg can react with HCl to produce the white solid MgCl2 and H2 gas. A student mixes 1.99 g of ...