The Digital Public Library of America goes online today, with 2.4 million pieces of art and history. As Union Pacific reports earnings, we count what’s in their freight cars.What’s next for Venezeula? And a long standing real estate term gets a makeover.

Farmers in Niuchong village in the Central Chinese province of Hubei are standing up to a local phosphate mining operation and fertilizer factory they blame for polluting the village’s water and air, killing their crops and livestock, and leading to a sharp increase in cancer rates in the region. Britain’s biggest retailer Tesco has just announced its first drop in profit in 20 years — and it seems the U.S. is part of the problem. And the race for music sales is heating up as Amazon nabs a piece of the market from Apple.

Boston will not be back to business as usual today, a day after bombs killed three people and injured more than 130 at the Boston Marathon. Patent protection for the painkiller OxyContin expires today. Generic drug manufacturers hope that means they’ll soon be able to grab a chunk of the nearly $3 billion market. And finally to a company called Zaycon Foods, which is offering a strange way for you to buy chicken.

Wal-Mart is requiring its producers to report exactly which factories they work with at home and abroad. Google’s Chief Information Officer tells us about working in New York versus Silicon Valley and his journey from Wall Street to the tech world. And, what’s got the price of gold down 10 percent since Friday?

Starting today, checks are on the way to victims of wrongful foreclosures as part of a $3.6 billion settlement between banks and federal regulators. But for most of those borrowers, it won’t exactly be Christmas in April. A big deal is brewing in the global coffee business. German investment group JAB is buying Dutch company D.E. Master Blenders for nearly $10 billion. And a NASCAR race called the ‘NRA 500’ ignites a sponsorship controversy.

Biogen Idec, a Massachusetts-based biotech company, is hoping its new multiple sclerosis drug Tecfidera will eventually bring in the hundreds of millions of dollars it cost to develop — at least before a generic comes along and copies it. CEO George Scangos discusses his company’s development process and pricing strategy. A new report from the research firm IDC says personal computer sales are falling fast all around the world. And in Phoenix, Arizona, new signs of a real estate bubble are emerging.

Airbus CEO Fabrice Bregier tells us what it takes to compete with Boeing and why his company is breaking ground in America. Bed Bath & Beyond will release its quarterly earnings report today — and unlike other big box retailers, analysts are expecting good numbers. And finally, a woman wakes up from a coma and has a surprising request.

States all across the country have been passing measures to combat gun violence. But in Rhode Island, some Republican lawmakers are hoping to lure gun manufacturers into the state. The value of the Japanese yen has fallen to its lowest level in four years after a huge monetary stimulus package was unveiled last week. The effects of the stimulus are starting to be felt far away from Japan — in fact, they’re having some impact on the European debt crisis. And, what will it cost you to run a marathon at the North Pole?

Immigration reform is expected to be front and center in Washington this week as lawmakers introduce their plans for an overhaul. One idea is to create an expanded guest worker program, but there are big questions about how that should be done. Portugal’s economic future is in doubt this morning after the country’s high court ruled that many of the government’s bailout cuts are unconstitutional. And in California, beach fire pits are sparking a battle between private interests and public land.