From the Wires

Reuters: Wal-Mart Stores Inc. is considering a radical plan to have store customers deliver packages to online buyers.

The Guardian: A study in the U.K. found that certain pesticides disrupt bees’ learning to associate particular scents with food.

The Atlantic: Space Adventures co-founder Eric Anderson says that mining resources from asteroids could help reduce the cost of transportation into space.

TheAtlantic.com: The long shadow of March mayhem, from ancient Greek festivals to white Florida beaches — and into local tax coffers.

CNN.com: The India-based advertising agency that created artwork of women tied up in the back of a Ford has sacked some of the employees responsible for the images.

USA Today: A private capsule carrying equipment and experiments returned to the Pacific Ocean after a 23-day round trip to the International Space Station.

AP: Supporters and opponents of gay marriage rallied in front of the U.S. Supreme Court as the justices began the first day of arguments in gay marriage cases.

Yahoonews.com: Italy’s highest criminal court ordered a new trial for Amanda Knox and her former Italian boyfriend on Tuesday, overturning their acquittals in the  slaying of her British roommate.

Wall Street Journal: Dell received two alternative takeover proposals, from Carl Icahn and Blackstone Group.

AP: Observant Jews in Israel can now enjoy a rabbi-approved puff during the week-long Passover holiday that starts at sundown Monday.