Proceedings of the National Academy of Sciences Scientists, in the "Proceedings of the National Academy of Sciences" scientific journal, report that so-called fairy circles are caused by the plants themselves, which have self-organized. Michael Cramer and Nichole Barger suggested this in 2013.
Obama administration The Obama administration announces it is cancelling plans to permit drilling for oil and gas off the southeastern U.S. Atlantic coast. A new plan involves 10 potential lease sales in the Gulf of Mexico and three off the coast of Alaska.
Myanmar The Myanmar Assembly of the Union, or parliament, selects Htin Kyaw as the new President. Kyaw, a confidant of Aung San Suu Kyi, will be the first civilian president in decades. Suu Kyi, a Nobel Peace Prize recipient, is constitutionally barred from the office.
Nigerien general election, 2016 The government will release opposition candidate Hama Amadou from prison due to health issues. Amadou is facing off against incumbent President of Niger Mahamadou Issoufou in the second round of voting on Sunday.
In 2016 North Carolina's controversial voter ID law is in effect for the first time. Voters without these new ID credentials, including voters with a “reasonable impediment” to obtaining an ID, can cast a provisional ballot. Citizens (2,567) faced this problem during early voting, including U.S. Senator Richard Burr who, because his driver's license was stolen, was without ID. In addition, votes for congressional candidates for House seats don't count because the state's congressional district map was redrawn after the ballots were printed. The actual congressional primary is scheduled for June 7.
Marco Rubio suspends his presidential campaign following a disappointing defeat in his home state of Florida.
Hillary Clinton wins the Democratic primaries in Florida, Illinois, Ohio, Missouri and North Carolina.
Donald Trump wins primaries in Illinois, North Carolina, Missouri and Florida while John Kasich wins in Ohio.
Voters in the U.S. states of Florida, Illinois, Ohio, Missouri, North Carolina and the commonwealth of the Northern Mariana Islands head to the polls for Republican and Democratic Party primaries that the media has dubbed "Super Tuesday 2".
Shooting of Michael Brown The Ferguson, Missouri, city council, after last month voting to change the terms of the agreement, reverses course and unanimously (6-0) agrees to accept a U.S. Justice Department overhaul of its troubled police force and municipal courts. This avoided a likely expensive legal battle with the federal government which had filed suit against the city following last month's vote.
House of Representatives The parliament of the Netherlands passes a resolution calling on the government to stop selling arms to Saudi Arabia, citing ongoing "violations of humanitarian law" in Yemen.
Argentina–China relations Argentina's coastguard says it has sunk a Chinese fishing trawler that was operating illegally within its territorial waters. The coastguard says it rescued four of the trawler's crew while others who abandoned ship were picked up by another Chinese vessel shadowing the pursuit.
Burundian unrest (2015–2018) The European Union suspends direct financial aid to Burundi after concluding that the Burundian authorities had not done enough to find a political solution to the ongoing conflict occurring in the country.
CDC The U.S. Centers for Disease Control and Prevention issues final recommendations urging doctors to try something besides an opioid when first treating pain, and if an opioid drug, such as hydrocodone or oxycodone, is the best choice, start with the lowest possible dose.
Sterlitamak A deadly fire breaks out at a rehabilitation center for addicts in Sterlitamak, Bashkortostan, a Republic of Russia, killing 12 people. An investigation was immediately launched.
Wythenshawe Hall A fire severely damages the 16th century Wythenshawe Hall, near Manchester, England.
Metro system The entire Washington D.C. Metro system will shut down for 29 hours beginning at midnight Wednesday for an emergency investigation after an electric cable caught fire on Monday.
2016 Ecuadorian Air Force Arava crash An Ecuadorian Air Force IAI Arava 201 crashes near Shell Mera in a mountainous part of eastern Ecuador during military exercises, killing all of the 22 soldiers on board.
Linn Energy Linn Energy, an oil-and-gas producer with about $10 billion in debt, says a bankruptcy filing may be unavoidable. The company was founded in 2003 and had its initial public offering in 2006.
Brookfield Asset Management Brookfield Asset Management Inc and Qube Holdings join forces to make a A$ 9.1 billion bid for Australian freight logistics company Asciano Limited.
Saudi-led coalition Airstrikes reportedly kill at least 41 people and wound 75 others in Yemen's northern Hajjah Governorate.
2016 Brussels police raids Belgian security forces hunt gunmen linked to the November 2015 Paris attacks following a raid on a house in Brussels which left four officers wounded and one suspect dead after an exchange of gunfire. Roads have been blocked off in the Belgian capital's southern suburb of Forest as one or more gunmen remain at large.
American-led intervention in Syria A senior Iraqi intelligence official, who is also a Syrian activist leader, says Islamic State of Iraq and the Levant commander Omar al-Shishani (Omar the Chechen, real name Tarkhan Tayumurazovich Batirashvili) died of wounds suffered in a March 4 U.S. airstrike near the Syrian town of Al-Shaddadah. The U.S. State Department offered up to $5 million for information on his whereabouts. Amaq news agency, which supports ISIL, says Shishani is neither dead nor hurt.