Some of the outlandish news this week, like Google's new app that would make David Hasselhoff appear in all your photos, turned out to be April Fools' jokes. But not all. The sheep in the Louvre? The Nicolas Cage art show? The California state senator accused of running guns to a criminal named "Shrimp Boy"? All true. Let's see if you can tell the real news from the fake news on this week's Slate Quiz.

Question 1 of 12

On Wednesday, in a 5-4 decision, the Supreme Court struck down federal limits on what?

After the ruling in McCutcheon v. FEC, donors will be able to give as much as $3.6 million in a single election cycle—or, as the Koch brothers call it, "rounding error."

Question 2 of 12

As of Monday, Las Vegas now has the world's tallest what, topping one in Singapore by 9 feet?

The brand-new observation wheel on the Las Vegas strip, the High Roller, is 550 feet tall.

Question 3 of 12

Last weekend, what tragedy killed 251 Congolese citizens who had sought safe haven in Uganda?

Their crowded boat capsized as it crossed Lake Albert, where it was carrying refugees home from Uganda to the Democratic Republic of Congo.

Question 4 of 12

A woman with the appropriate name of Cameo Crispi was arrested this week in Utah on what charges?

Ms. Crispi allegedly broke into an ex-boyfriend's house and then allegedly tried to burn it down by leaving a pound of bacon frying on the stove.

Question 5 of 12

Almost 1 million people were evacuated Tuesday after an 8.2-magnitude earthquake led to tsunami warnings in what nation?

Question 6 of 12

A Pittsburgh-area middle schooler calculated for a science fair project that the U.S. government could save $400 million every year by doing what?

A typeface called Garamond is just as legible as Times New Roman, 14-year-old Suvir Mirchandani pointed out, but uses about 24 percent less ink.

Question 7 of 12

John Kerry attended four hours of urgent talks in Paris on Sunday in hopes of easing the border tension where?

Russia has withdrawn one battalion but still has tens of thousands of troops massed at the Ukrainian border.

Question 8 of 12

The new U.N. report on climate change emphasized, for the first time, that which of these could be a frightening side effect of global warming?

For the first time, the IPCC report included a chapter on human security, warning that climate change increases the risks of political instability and war.

Question 9 of 12

In a groundbreaking procedure, Dutch surgeons replaced almost all of a young woman's skull with a new skull from where?

The woman is back at work with her plastic skull and "almost no traces that she had any surgery at all."

Question 10 of 12

As of the last day of March, 7.1 million Americans had signed up for what?

In a surprising victory, the number, announced by President Obama, met the White House's original goal for enrollment.

Question 11 of 12

Which of these legislative hurdles is threatening South Carolina's bid to select a new state symbol?

State senator Kevin Bryant has twice tried to amend the bill to credit God with the creation of the Columbian mammoth "on the sixth day, with the beasts of the field."

Question 12 of 12

As a punishment from his friends, a Norwegian teenager agreed to get what unusual tattoo on his right forearm?

On that fateful night, 18-year-old Stian Ytterdahl ordered a Coke, three cheeseburgers, a McFlurry, and a lifetime of regret.