If diet is destiny, then modern humans should thank our ancestors for their ability to eat just about anything.

Two new studies peek into the distant past to try to figure out just how big a role food played in human evolution. One says that eating meat made it possible for early human mothers to wean babies earlier and have more children.

A Dutch virologist is considering his full range of legal options if his government refuses to lift the restrictions it has put on his controversial bird flu research, and matters could quickly come to a head after a meeting next Monday that will be attended by U. S. observers.

Of Monsters and Men is an Icelandic sextet specializing in catchy folk-pop. The group came together in 2009 when singer Nanna Bryndís Hilmarsdóttir began recruiting backups for her acoustic solo act. In 2010, Of Monsters and Men gained national fame when it won an annual Icelandic battle of the bands; since then, the buzz has only grown.

There's another bit of tragic news to report today: 43 people are dead after a truck crashed into a passenger bus in eastern Mexico today. Authorities told the AFP that the incident happened after a trailer came loose and hit a bus carrying agricultural workers headed to work.

The AP reports:

Smoking is bad. Quitting smoking is hard. But exercising can make quitting easier, and make sliding back into smoking less likely.

That's the word from a big new study, which tracked the health and habits of 434,190 people in Taiwan from 1996 to 2008. Smokers who got just 15 minutes of exercise a day were 55 percent more likely to quit than were people who weren't active at all. And those active smokers were 43 percent less likely to relapse when they did quit.

A story and two questions on the New York state English exam taken by eighth-graders this week has stumped many — including Jeopardy! star Ken Jennings.

The story — titled The Pineapple and the Hare — was included in a New York Daily News story about the consternation the questions have caused.

A photograph published by ABC News this morning shows what the network says is the head of George Zimmerman covered in blood. ABC News says the picture was taken minutes after Zimmerman shot Trayvon Martin to death.

The 28-year-old neighborhood watch volunteer is charged with second-degree murder in the shooting, but he has maintained that he shot Martin, who was unarmed and on his way back from buying candy and tea, in self defense.

Transcript

MICHEL MARTIN, HOST:

I'm Michel Martin and this is TELL ME MORE from NPR News. Earth Day is Sunday and in anticipation of that we're going to spend some time revisiting one of the worst environmental disasters in our nation's history: the BP oil spill. It's been exactly two years since the Deepwater Horizon rig exploded some 50 miles off the Louisiana coast.