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Latest Coral bean Stories

2010-09-28 18:37:19

A black, two-millimeter-long wasp from East Africa is helping wage war on one of its own kind"”the Erythrina gall wasp, an invasive species that's decimated Hawaii's endemic wiliwili (Erythrina sandwicensis) and introduced coral bean trees (Erythrina spp.). Hawaii Department of Agriculture (HDOA) officials "recruited" the beneficial wasp, Eurytoma erythrinae, and first released it in November 2008 after evaluating its host specificity as a biocontrol agent. U.S. Department of...


Word of the Day
tesla
  • The unit of magnetic flux density in the International System of Units, equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.
This word is named for Nikola Tesla, the inventor, engineer, and futurist.