A Knuckleball No More: World Cup Soccer Ball Gets A Redesign
John Eric Goff, the chair of the physics department at Lynchburg College, explains the science of the 2014 World Cup soccer ball.

Album Review: 'Abracaco'
Caetano Veloso has been making music for over 40 years, and he's among the best known singers in his native Brazil. Veloso's new album, Abracaco, is one of the most engaging in his epic career.

Ex-Ranger Recalls The Friendly Fire That Killed Pat Tillman
Steven Elliott was one of the Army Rangers who accidentally fired on former NFL star Pat Tillman in Afghanistan, and he told his story recently on ESPN's Outside the Lines.

Online Sales Taxes Shift Consumer Behavior, Study Shows
Some states have enacted so-called Amazon taxes, forcing the giant online retailer to collect sales taxes the same way traditional stores do. In those states, Amazon's sales fell about 10 percent.

Who's Getting Preschool Right? Researchers Point To Tulsa
A national debate over universal preschool has raised an important question: What does high-quality pre-K look like? Researchers say the preschool program in Tulsa, Okla., is among the nation's best.

The Wonders Of The Year 2014, As Told By Isaac Asimov
To mark the 50th anniversary of the 1964 New York World's Fair, we turn back to some predictions that The New York Times commissioned Isaac Asimov to make on the occasion. He got many things right.

As Putin Rides Wave Of Popularity, Opposition May Get Swept Under
Russian President Vladimir Putin is using a recent surge in popularity to crack down on opposition. Several proposed laws would strengthen penalties against protestors, and officials and local media alike are denouncing criticism of Putin as "unpatriotic."

Amid Ukraine's Faltering Hopes For Peace, Biden Speaks In Kiev
During a visit to Kiev, Vice President Joe Biden warned Russia that it must help to reduce tensions in Ukraine. A recent international agreement intended to disarm militant groups seems to be failing.

With Sherpas On Strike, Everest Climbing Season Is Up In The Air
Mount Everest expedition leader Todd Burleson is preparing to move his team down the mountain after Sherpa guides decided to call off the season. He discusses the decision, which follows a devastating avalanche that claimed 16 lives.

Book Review: 'In Praise Of Hatred'
Alan Cheuse reviews the novel In Praise of Hatred, by Khaled Khalifa. The book, which was recently translated to English, features a young Muslim girl in 1980s Syria.

Search Efforts For Nigerian Schoolgirls Dogged By Shifting Numbers
As the search continues for the abducted Nigerian schoolgirls, the exact number of those still missing is in dispute. Michelle Faul, Nigeria bureau chief for the Associated Press, explains more.

One Month From Mudslide, Wash. Governor Takes Stock Of Damage
Washington Gov. Jay Inslee offers an update on the deadly mudslides near the town of Oso in March. President Obama is visiting Oso on Tuesday.

High Court Upholds Michigan's Affirmative Action Ban
By a 6-2 vote, the Supreme Court upheld a voter-approved measure in Michigan that banned the use of race or gender in deciding admissions to the state's public universities.

Longtime D.C. Lawyer Is White House's Next Top Counsel
The White House named Neil Eggleston its new top lawyer. He'll have to muster his legal and political skills to deal with a divided Congress and multiple investigations of the Obama's administration.

'Inside Amy Schumer,' Some Surprising Commentary
NPR TV critic Eric Deggans says Amy Schumer stands out by using her own sex appeal to challenge double standards about women — and, of course, she's funny.

KUAF News from Ozarks at Large

State officials yesterday celebrated the 40th anniversary of the Community Development Block Grant program, and a water project 20 years in the making is finally complete.
This spring a number of Arkansas public schools and districts are applying to the state department of education to become “Schools of Innovation.” As Jacqueline Froelich reports, the new innovation school model is more collaborative compared to the public charter model. (Photo: applicant Leverett Elementary in Fayetteville)
The annual event attracts thousands to Rogers and raises hundreds of thousands of dollars for area agencies.
Becca Martin Brown, from Northwest Arkansas Newspapers, says movies, art and more are geared toward teens this week.
Northwest Arkansas Community College will stage The Giver this weekend and the tech crew has been at work on the production for some time.
Our history doctor, Bill Smith, says the AMC drama can be a great place to begin a discussion about history.
The Springdale Municipal Airport recently received a $150,000 grant to help improve access to its terminal.
The state Department of Workforce Services releases March unemployment numbers for Arkansas, though they remain slightly above the national rate. Plus, the state's constitutional ban on same-sex marriage will either be reaffirmed or struck down in the coming weeks.
P3 Waste Consulting has helped develop a program for Mercy Hospital in Rogers to recycle blue wrap used to keep surgical instruments sterile.
In his weekly recap, Roby Brock discusses Home BancShares reporting a record first quarter profit and more.