North Atlantic Oscillation

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North Atlantic Oscillation

North Atlantic Oscillation

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Earth from space. Full-hemisphere views of the Earth showing Hurricane Linda at its peak approaching Baja California on 1997 September 11.

What Is Earth’s Velocity?

September 11, 2005, ozone thinning over antarctica reached its maximum extent for the year.

Is the Ozone Layer Finally Healing Itself?

High-oblique view of the extra-tropical unnamed cyclone that merged with Hurricane Earl is featured in this image taken by an Expedition 24 crew member on the International Space Station (Sept. 2010).

Is the Number of Hurricanes Increasing?

Lightning over the outskirts of Oradea, Rom., during the thunderstorm of August 17, 2005.

16 Questions About Earth’s Atmsophere and Weather Answered

Solar system illustration. (planets; sun)

Why Are Planets Round?

Discover

Estimated battle casualties, Normandy invasion, World War II. WWII, D-Day

Estimated Battle Casualties During the Normandy Invasion and Campaign to Liberate Paris (June–August 1944)

The field takes the turn one after the restart during the 103rd Indianapolis 500 at Indianapolis Motor Speedway on May 26, 2019 in Indianapolis, Indiana. (auto racing, Indy 500)

Why Is the Indy 500 Held on Memorial Day Weekend?

The Fortune-Teller, oil on canvas by Georges de La Tour, probably the 1630s; in the Metropolitan Museum of Art, New York City. (101.9 x 123.5 cm.) (The Fortune Teller)

10 Paintings You Should See at the Met in New York City

Clouds of smoke rise from fires at the World Trade Center Towers as a result of terrorist attack on September 11, 2001. Photographed 9:54 am in Lower Manhattan.

Timeline of the September 11 Attacks

Poker game. Card game. Royal Flush in poker. Hearts suit gambling

Poker Hands Ranked

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

Ice Sledge Hockey, Hockey Canada Cup, USA (left) vs Canada, 2009. UBC Thunderbird Arena, Vancouver, BC, competition site for Olympic ice hockey and Paralympic ice sledge hockey. Vancouver 2010 Olympic and Paralympic Winter Games, Vancouver Olympics

10 Best Hockey Players of All Time

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North Atlantic Oscillation

North Atlantic Oscillation

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Southern Oscillation

Quiz

Lightning over a farm field. Weather electricity thunderstorm light energy tree

Facts You Should Know: Weather Quiz

Iceland, Glacier lagoon (Jokulsarlon)

Winter Weather Words Quiz

Umbrella colored like a rainbow sticking out above a sea of black umbrellas while it rains. (storm, weather)

Weather Words Vocabulary Quiz

rain. Child in the rain, wearing a rain coat, under a yellow umbrella. April Showers weather climate rain storm water drops

April Showers to March’s Lions and Lambs