Health & Science

In Pennsylvania, it's estimated opioids like heroin killed at least 1,300 people last year. In Massachusetts, more than 1,000 have died, and in Connecticut, heroin deaths jumped more than 85 percent in two years.

But figuring out the size and scope of the problem is harder than many people think.

Pennsylvania, like many states, doesn't require reporting of specific details on drug overdoses, and whatever other information is available is at least two years old.

A scientific discovery in Kenya, first reported in April, challenges conventional wisdom about human history, say the scientists who made the discovery and are now releasing the details. The scientists say the collection of stone tools they turned up near Lake Turkana were made long before the first humans are thought to have evolved.

Whoa, I wouldn't want to be Steve Easterbrook right about now.

The newish CEO of McDonald's — who has pledged to turn the fast-food giant into a progressive burger chain — is getting an earful this week, as the company prepares to convene its annual shareholders meeting on Thursday.

Farmers and public health advocates have been arguing for many years now about the use of antibiotics on farm animals, yet that argument takes place in a fog of uncertainty, because a lot of information simply isn't available.

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Stephanie Packer was 29 when she found out she had a terminal lung disease.

That's the same age as Brittany Maynard, who last year was diagnosed with terminal brain cancer. Last fall, Maynard, of Northern California, opted to end her life with the help of a doctor in Oregon, where physician-assisted suicide is legal.

The problem of opiate addiction in Maine is one that state Rep. Barry Hobbins knows something about. "One of my family members has been struggling with this dreaded addiction of opiates for six years," he says.

So when pharmaceutical company Pfizer — which makes opioids that have abuse-deterrent properties — asked Hobbins to sponsor a bill that would require insurance companies to cover these more expensive drugs at the same level as other opioids, he agreed.

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MELISSA BLOCK, HOST:

Late last year, the journal Science published a study that suggested door-to-door canvassing could increase support for same-sex marriage.

When Erik Christiansen started smoking pot, he became fascinated by the look of different marijuana strains. But the photographs of marijuana he saw didn't capture the variety.

So he went to the hardware store and picked up two lights and a cardboard box. "I didn't even have a macro lens — I was shooting through a magnifying glass," he says.

The California-based photographer tinkered with his macro technique until he had created a consistent way to capture highly detailed images of marijuana.

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