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U.S. Open Begins
Tennis’s final Grand Slam event of the year gets under way in Flushing Meadows, Queens, New York.
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NASA
Strong El Niño Expected to Peak in Late 2015
Weather bureaus have detected El Niño conditions in the eastern Pacific Ocean and predicted that the conditions will continue to strengthen throughout the remainder of 2015.
- What is the El Niño phenomenon?
- How did the El Niño episode in the late 1990s affect Australia and other parts of Oceania?
Ann Ronan Picture Library/Heritage-Images
A Second World War
In 1939 Germany invaded Poland—which, by the lethal combination of German blitzkrieg tactics, French inactivity, and Russian perfidy, was dealt a swift defeat—and sparked World War II.
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Explore Encyclopædia Britannica
“Every man’s reason is every man’s oracle: this oracle is best consulted in the silence of retirement.”
Science
ebolavirus
Cynthia Goldsmith/Center for Disease Control and Prevention
Genus of viruses in the family Filoviridae, certain members of which are particularly fatal in humans and nonhuman primates. In humans, ebolaviruses are...
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Ken Pletcher
Kathleen Kuiper
Renie Petropoulos
Michael Ray
Featured Blog
Advocacy for Animals
Animal Prosthetics
Surviving on Human Ingenuity and Compassion by Kara Rogers -This week Advocacy for Animals republishes an article on animal prosthetics written by Encyclopædia Britannica science editor Kara Rogers. It was first published...
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Alain Elkann Interviews
Alain has been writing a weekly interview column for the Italian newspaper La Stampa since 1989. His interviews celebrate some of the best known and successful personalities of the present day.
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