Luminous paints such as those used on watch dials make use of chemicals that can absorb visible light and re-emit it over a protracted period. This phenomenon was first noted in the 1500s when...
Yes, in a limited way. Honey is a concentrated solution of various sugars in water. The main sugars are fructose and glucose with smaller amounts of sucrose (table sugar) also present. Of course,...
The recurrent laryngeal nerve (RLN) is a touchstone in anatomy education and evolutionary biology research, known for its unnecessary U-turn in the neck. But can we learn something intelligent from...
In the third novel of the Harry Potter series, the Prisoner of Azkaban, Harry encounters the 鈥淒ementors鈥� for the first time -- creatures that feed on hope and happiness. When he is left with a...
The young mother was surprised by the doctor鈥檚 question. 鈥淲hat does your little girl eat for breakfast?鈥� 鈥淥nly hot oatmeal with milk,鈥� she answered. 鈥淒oes she put any sugar on it?鈥� the doctor...
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