Strawberry guava is a widespread, highly invasive species in Hawaii.

The University of Hawaii pays the State $1 per year for use of the 13,320 acres of public lands atop Mauna Kea.

Dr. Barry Blum, (above, right), shows students attending the two-day Medical Academy of Science and Health workshop at Kona Community Hospital how to prep voluenteer patient Luke Van Der Spoel for a mock surgery.

Swans swim in Moscow's zoo. Nassim Nicholas Taleb named his book on financial risk "The Black Swan" based on his theory on the role of high-impact, hard-to-predict events -- like the discovery that not all swans are white.