The Brief

Members of the Arkansas House of Representatives meet in the House chamber at the Arkansas state Capitol in Little Rock, Ark. on Jan. 12, 2015.
Danny Johnston—AP
Nigerian Presidential Elections

New Challenges for Nigeria's Buhari

Nigerians voted their leader out on Tuesday in a stunning upset, but for former military dictator Muhammadu Buhari, winning may be the easy part

American industrialist J. Paul Getty (1892 - 1976) at Sutton Place, his Tudor manor house in Surrey, 1967.

Heir to Getty Oil Fortune Dies

Authorities on Tuesday said Andrew Getty's cause of death was not immediately clear and that the case is being handled by robbery-homicide detectives

Secretary Kerry sits with German, Chinese, European Union, French, British, and Russian colleagues ahead of the negotiations with Iranian officials to discuss the terms of the new agreement on Iran's Nuclear Program in Lausanne, Switzerland, on March 31, 2015.

Iran Nuclear Talks Miss Self-Imposed Deadline

Iran and six world powers missed the negotiators' self-imposed Tuesday night deadline over its nuclear program by at least a day. After 12 years of negotiations, Iranians feel that a peaceful resolution is at last within grasp, opening up the country to economic progress

Trevor Noah Responds to Backlash Over Past Tweets

The successor to Jon Stewart fittingly took to Twitter to address his critics, claiming that his Twitter history is "not a true reflection" of his character. Noah had been accused of anti-Semitism and sexism after his followers began to retweet and comment on his old posts

Mother and child

Foreign Adoptions by Americans Hit Lowest Mark Since 1982

The State Department's report for the 2014 fiscal year shows 6,441 adoptions from abroad, down from 7,094 in 2013 and about 74% below the high of 22,884 in 2004. China accounted for the most children adopted in the U.S., followed by Ethiopia and Ukraine

Cat paws with kibble

Your Pet Food Probably Isn’t Made of What You Think

A new study in the journal Acta Veterinaria Scandinavica shows many pet food brands contain unspecified animal parts that aren't listed on labels. Of seven products that claimed "with beef," two had more cow DNA than combined DNA of chicken and pigs

A picture shows the logo of the online retailer Amazon dispalyed on computer screens.

Amazon Launches Store for Science-Mad Kids

Amazon on Tuesday introduced a new online store focusing on STEM (Science, Technology, Engineering and Math) toys that help children develop valuable skills in in-demand fields. The top pick on the store’s front page was a child-friendly microscope

Coal plant

White House Plans to Cut Carbon Emissions By Up to 28%

The White House reaffirmed a commitment to cut carbon emissions by up to 28% by 2025 in a Tuesday submission to the U.N. that promises new regulations on power plants, new fuel economy standards for some vehicles and rules to address methane emissions

ice-hockey player

Hockey Helmets May Not Prevent Concussions, Study Shows

Researchers say the sport with the highest rate of concussions suffers from a dearth of effective safety helmets. Price appeared to have no effect on performance, with helmets priced at $100 outperforming helmets at triple the price