Latest Nation headlines

David Copperfield forced to reveal secret of vanishing trick in court

A magician never reveals his secrets. Well, not unless a court mandates it.

Lance Armstrong settles $100m lawsuit with US government

The cyclist has reached a $5 million settlement with the federal government in a whistleblower lawsuit.

Power restored to those hit by Puerto Rico blackout

Puerto Rico’s power company has restored electricity to all customers affected by an island-wide blackout caused by an excavator hitting a transmission line.

What is 4/20, and why is it a stoner holiday? A look at how ‘420’ became linked to marijuana

How the marijuana-loving world came to mark the occasion is believed traceable to five Northern California men now in their 60s with bad backs and graying hair.

Doctor who treated Prince pays $30,000 for illegal prescription

A Minnesota doctor accused of illegally prescribing an opioid painkiller for Prince a week before the musician died from a fentanyl overdose has agreed to pay $30,000.

Using an oxygen mask could save your life. Here’s how to properly use one

On the Southwest flight, several passengers were only covering their mouths, which means they weren’t getting the maximum flow of oxygen available to them.

JFK: 50 Years Later

Special section

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A five-part series examining the profound impact of former President John F. Kennedy’s assassination.

Globe Investigations

Special section

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/10/01/BostonGlobe.com/Special/Images/magnifying_glass1500618-081--90x90.jpg Recent investigative reports

Read recent stories and ongoing investigations from the Globe’s journalists.

Gay marriage in the US

Interactive Graphic

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/08/01/BostonGlobe.com/National/Images/Untitled-12.jpg Timeline of gay marriage in US

In the early 1970s, there were zero states banning or allowing same-sex marriage. Now it’s legal nationwide, and all bans have been overturned.

Instagram

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/12/17/BostonGlobe.com/Metro/Images/a4a68392593311e3a80a0a154a02c3a8_7-7210--90x90.jpg Boston Globe Instagram photos

A live stream of Instagram posts from The Boston Globe photo department.