The Brattleboro Reformer has many colleagues around the country producing news for our "sister" papers. The Daily DFM is a "top picks" of today's national news. Consider it a collection of "things you should know, today."

1. Police struggle to probe Quebec blast; cause still a mystery

By Richard Valdmanis and Julie Gordon, Reuters

Canadian police on Monday struggled to find the remains of people killed when a driverless crude oil train derailed and blew up in a small Quebec town over the weekend as questions grew over how the disaster had occurred.

2. Home price gains bring sellers off the sidelines

By Elliot Spagat, Associated Press

Soaring prices are leaving fewer homeowners owing more money than their properties are worth, bringing them off the sidelines of the nation's surging housing market and offering relief to buyers who are frustrated by bidding wars.

3. See inside the wrecked Asiana flight and watch how it crashed (VIDEO)

By Karen Workman, Digital First Media

See inside the cabin of the Asiana flight & watch video that shows its crash landing ....

4. A smaller workspace may make you a better person

By Jena McGregor, Special to The Washington Post

There could be an upside to being confined to that tiny cubicle at work: It may make you less likely to cheat.

5. HIV testing has never been easier but the fear of knowing lingers

By Aaron Edwards, Adrienne LaFrance and Mimi Schiffman, Digital First Media

How have stigmas surrounding #HIV testing changed over the years? These people's stories offer a glimpse:

6. What ant colonies tell us about human-engineered networks, and 4 other stories you may have missed

By Adrienne LaFrance, Digital First Media

What ant colonies tell us about human engineered-networks & 4 other stories you may have missed this weekend ....