U.S. Sen. Ted Cruz, a Republican presidential candidate, speaks to his supporters in Des Moines, Iowa, after he won the Iowa caucuses on Monday, February 1. Cruz received 28% of the vote, compared with 24% for Donald Trump and 23% for Marco Rubio. JIM YOUNG/Newscom/REUTERS

The older brother of Jose Wesley tries to calm the baby down in Bonito, Brazil, on Saturday, January 30. Jose Wesley was born with microcephaly, a neurological disorder that results in newborns with small heads and abnormal brain development. An outbreak of the Zika virus has been linked to a surge of babies with the birth defect. Felipe Dana/AP

Dancers take part in a dress rehearsal of "Swan Lake" before it opened at the Joyce Theater in New York on Tuesday, February 2. TIMOTHY A. CLARY/AFP/Getty Images

Riot police in Athens, Greece, try to avoid a Molotov cocktail thrown by protesters during a nationwide strike on Thursday, February 4. Clashes broke out as tens of thousands of people protested pension reforms that are part of the country's latest economic bailout. Thanassis Stavrakis/AP

Idris Elba sits with the two awards he received from the Screen Actors Guild on Saturday, January 30. Elba won for his roles in the film "Beasts of No Nation" and the television series "Luther." See all of the SAG winners LUCY NICHOLSON/Newscom/REUTERS

A monkey catches knives during a daily training session at a monkey farm in Baowan, China, on Tuesday, February 2. Villagers say they've been breeding and training monkeys for centuries.

JASON LEE/Newscom/REUTERS

A police officer holds the lifeless body of a boy near Ayvacik, Turkey, on Saturday, January 30. At least 33 people, including five children, were reportedly killed when a boat carrying migrants to Greece capsized off the Turkish coast. Greece is a major destination for those trying to escape war and poverty and get into Europe. Halit Onur Sandal/AP

A great blue heron takes off from a frozen river in Washington on Monday, February 1. Ricky Carioti/The Washington Post/Getty Images

U.S. President Barack Obama greets children and other guests during a visit to the Islamic Society of Baltimore on Wednesday, February 3. It was Obama's first visit to a U.S. mosque since he became President. Pablo Martinez Monsivais/AP

Iraqi soldiers clash with the militant group ISIS in the suburbs of Ramadi, Iraq, on Tuesday, February 2. Iraq took the city back from ISIS in December. AHMAD AL-RUBAYE/AFP/Getty Images

Democratic presidential candidate Hillary Clinton hugs her husband, former U.S. President Bill Clinton, during a caucus night party in Des Moines, Iowa, on Monday, February 1. Clinton edged U.S. Sen. Bernie Sanders by less than half a percentage point: 49.9% to 49.6%. Patrick Semansky/AP



Tammy Weeks, right, mother of slain 13-year-old Nicole Lovell, moves towards the podium to speak about her daughter at a news conference on Tuesday February 2, in Blacksburg, Virginia. Two college students have been charged after Nicole's body was found in a wooded area in North Carolina. MATT GENTRY/AP

Comedian Bill Cosby, center, arrives for a preliminary hearing in Norristown, Pennsylvania, on Tuesday, February 2. A judge ruled that the sexual assault case against Cosby will go forward. He was charged in December. MARK MAKELA/Newscom/REUTERS

Travelers run to catch a train in Hangzhou, China, on Sunday, January 31. China's annual Spring Festival migration started on January 24. It's expected that 2.9 billion trips will be made during the holiday period this year. CHANCE CHAN/Newscom/REUTERS

Martin Shkreli, former CEO of Turing Pharmaceuticals, smiles Thursday, February 4, during a congressional hearing on prescription drug prices. Shkreli had been called the "most-hated man in America" for jacking up the prices of a drug used to treat AIDS patients. He refused to give testimony to the House committee on Thursday, choosing to invoke his Fifth Amendment rights. Pete Marovich/Bloomberg/Getty images

A Syrian rebel fighter walks past sandbags in Arbin, Syria, on Friday, January 29. AMER ALMOHIBANY/AFP/Getty Images

The Modern Express, a badly listing cargo ship, was towed away from the coast of France to keep it from running aground on Monday, February 1. The ship began listing last week and could not be righted because of gusty winds and 20-foot waves, Vice-Admiral Emmanuel de Oliveira told reporters. Its crew was airlifted to safety. Loic Bernardin/Marine Nationale/Sipa USA

A griffon vulture is examined by staff members at the Ramat Gan Safari, a zoo near Tel Aviv, Israel, on Friday, January 29. The bird had been captured in Lebanon on suspicion of spying. BAZ RATNER/Newscom/REUTERS

John Griffiths holds up Punxsutawney Phil after the famous Pennsylvania groundhog made his annual weather prediction on Tuesday, February 2. Phil didn't see his shadow, and according to legend, that means an early spring. ALAN FREED/Newscom/REUTERS

A photographer helps Angelique Kerber after the tennis champion's shoe got stuck during her visit to the Government House in Melbourne on Sunday, January 31. A day earlier, Kerber defeated Serena Williams to win the Australian Open. ISSEI KATO/Newscom/REUTERS

People watch police destroy confiscated firecrackers in Shenyang, China, on Friday, January 29. CHINA STRINGER NETWORK/Newscom/REUTERS

Nobel Peace Prize winner Malala Yousafzai, left, and 17-year-old Syrian refugee Mazoun Almellehan attend an event at the London conference "Supporting Syria and the Region" on Thursday, February 4. Dtefem Rousseau/AP

Men lift homemade weights at a slum in Nairobi, Kenya, on Tuesday, February 2. FREDRIK LERNERYD/AFP/Getty Images

Brazilians enjoy the Copacabana beach in Rio de Janeiro on Wednesday, February 3. VANDERLEI ALMEIDA/AFP/Getty Images

An African elephant throws mud onto himself at a research center near Rumuruti, Kenya, on Sunday, January 31. SIMON MAINA/AFP/Getty Images

A woman cries Wednesday, February 3, as she touches the box containing the remains of St. Pio of Pietrelcina. The body of the Catholic monk, who died in 1968, was displayed in Rome's San Lorenzo Basilica. Andrew Medichini/AP

A model presents a creation by Oscarleon during a fashion show in Barcelona, Spain, on Wednesday, February 3. PAU BARRENA/AFP/Getty Images

Kashmiri Muslims in Srinigar, India, pray outside the shrine of Sufi saint Syed Abdul Qadir Jilani on Friday, January 29. The saint's relics were being displayed at the shrine. Dar Yasin/AP

The Rev. Al Sharpton listens to testimony Wednesday, February 3, during a House committee hearing on the water crisis in Flint, Michigan. High levels of lead have plagued Flint's municipal water supply for more than a year, prompting extensive emergency measures to keep residents safe. Molly Riley/AP

Refugees protect themselves from the rain under a plastic cover in Zeebrugge, Belgium, on Wednesday, February 3. LAURENT DUBRULE/EPA

People try to put out a forest fire in Bogota, Colombia, on Tuesday, February 2. LUIS ACOSTA/AFP/Getty Images

A champion Limousin bull is seen in its pen Tuesday, February 2, during the Stirling Bull Sale in Stirling, Scotland. PA Images/Sipa USA