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What is the difference between DNA and RNA?
Both molecules transmit genetic information and consist of nucleic acids, but their different chemical properties greatly affect their biological functions.
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Ask the expert
How does an air conditioner work?
An air conditioner doesn’t work magic, but transfers the hot air to a different place, based on the principles of thermodynamics
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Science History
Benjamin Franklin - The Man, Electricity and the United States
Benjamin Franklin, born in 1706, was an exceptional innovator in both science and social developments
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Science Panorama
The Chemistry of the Kugel
The unique taste of the Jewish food originates in a series of chemical reactions
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Order Out of Chaos
Endangered Elements
Some of the elements that make up our world may disappear very soon
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Science Panorama
Standing Waves in the Synagogue: The Physics of the Shofar
How do a shofar’s length and shape affect its sound? And can it be played like other wind instruments?
