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Read More » NEW FAO/IAEA CRP: Stable Isotopes Help Trace Bird Migrations to Investigate the Highly Pathogenic Avian Influenza (D32034).
When outbreaks of disease happen, locating the origin and pattern and its transmission are of critical importance — and isotope techniques can help.
People who studied alchemy—alchemists—wanted to find a way to change lead, iron, and other metals into gold.
They were also looking for the "secret to eternal life." Alchemy contained too much magic and mysticism to be a real science.
Argentina Uses Nuclear Technology to Control Insect Pests.
After its success in controlling a devastating fruit fly with nuclear technology, Argentina is gearing up to fight a new enemy: mosquitoes that transmit Zika, in addition to dengue and chikungunya.
Zinc was probably known in Asia before it was discovered in Europe.
Paracelsus wanted the world to know that he was even "greater than Celsus." Paracelsus was also an alchemist.
Alchemy was a kind of pre-science that existed from about 500 to near the end of the 16th century.
Some metals can be obtained from their ores easily. Anyone who wanted to make zinc from its ore would lose the zinc almost immediately by sublimation.
In a few cases, all that is needed is to heat the ore. Of course, early people did not understand this process.
When zinc vapor forms, it condenses inside the container. That method seems to have been passed to China and then, later, to Europe.