Keith Seinfeld

The Bill and Melinda Gates Foundation is trying to make its work more conspicuous.  That’s one explanation the billionaire couple gave for its new campus during a grand-opening event Thursday night.

About a thousand people packed into the campus' new grand atrium, which has a wall of glass four stories tall. 

Bill Gates spoke briefly, thanking his parents for setting an example of civic volunteerism. He quickly turned the microphone to his wife, saying, "The person who really had responsibility was Melinda, and let me thank her as I invite her to the stage."

Thirty years ago this month, the first cases of AIDS were identified by the medical community. It was still a mystery disease. A strange form of pneumonia was striking young men in Los Angeles. Since then, the epidemic has been a dramatic roller-coaster of death, disease, politics and what some people call the greatest medical success story of the past half century. 

(This interactive timeline is from the federal AIDS.gov website. Click and scroll for dates and highlights.)

I sat down with Dr. Bob Wood, one of the most prominent local faces of AIDS and the fight to contain it, to discuss the highlights and low points. You can listen to the interview by clicking on "Audio."

More than a thousand workers at the Bill and Melinda Gates Foundation have moved into their new campus across the street from Seattle Center. Celebrations are planned tonight (Thursday) and this weekend. Foundation leaders say they want to be more visible to the public.

(A public open-house is this Saturday, from 10am-4pm. Advance registration is required, here.)

Everything about the Bill and Melinda Gates Foundation is looking big these days.

There are probably places near where you live or work where it’s pretty noisy. The definition of what’s too loud is highly technical. Now, acoustical engineers have developed a new way of measuring noise that includes how it feels.

Seattle researchers have created a new way to fight the flu virus, and potentially pave the way for a new class of medicines.

You probably remember how the flu pandemic two years ago eventually included such a scramble to get the vaccine that people stood in long lines -- and even lied about the ages of their children to get it earlier. It takes months to make influenza vaccine, which has to be grown in chicken eggs. And every year the whole process has to start over, as the virus keeps mutating and evolving. 

One of the most prominent demolition jobs since the Kingdome imploded is underway in Seattle’s Belltown neighborhood. This time, there will be no explosion, and the building is private instead of public. 

The 25-story McGuire Apartments saga is a sad one, says Doug Lo, a Belltown resident who was snapping photos with his phone, from across the street, at 2nd Ave. and Vine St.

"It's a nice building, and in this modern age, you'd think they would have built it correctly, from the get-go," he said.

We hope you figured out long ago that the title of KPLU's "Can Seattle Save the World? (Poverty, Health and Chocolate)" event was tongue-firmly-in-cheek, but also meant to raise some important questions. There's a serious debate about the meaning and priority of "health" in "global health."

The event itself, last Tuesday, proved so popular that we moved it to a room three times larger than originally planned -- and nearly packed the room. Not to toot our horn too much, but immediate feedback was enthusiastic. "Do it again," was the most common response.

We'd love to. In the meantime, we are belatedly offering a replay -- video from the event.

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Maybe you had your first sip of wine or beer at home, with your parents. Or maybe it was with friends, in shadowy circumstances. Either way, did it matter in the long run?   

The latest research suggests parents drinking with their teens leads to problems. Teenagers are more likely to abuse alcohol and hurt themselves if their parents introduce them to alcohol than if parents have a zero-tolerance policy at home. 

The effort to reduce obesity is taking aim once again at sugary drinks.  A coalition of health groups is asking the public to try-out “Soda-Free Sundays.”

There’s pretty solid evidence Americans, on average, are drinking a lot more soft drinks and other sweetened beverages than they did a generation ago.  Back in the 1990’s, for example, soft drink sales surpassed milk.

Health clinics that cater to low-income people have been expanding.

Even though the damaged nuclear reactors continue to cause problems in Japan, the amount of radiation reaching the Pacific coast is dropping.

Public health officials say the radiation threat has been more psychological than physical. They're proud of how they've responded to the nuclear power plant crisis in Japan. 

When the wind is blowing and the rivers are running high, there's not enough capacity in power lines to handle all the electricity that's generated.

And that could mean that wind-farms have to shutdown for brief periods when there's too much power.

Health insurance rates are going up and policies are changing for many people who have an individual plan or work at a small business. Those increases can be maddening and mystifying.

Whether or not to take hormones has become one of life’s difficult choices as women face menopause, and look for ways to relieve the symptoms. A new study suggests women may be able to minimize the risks if they start in their 50’s.

It also shows negative effects appear more common for women if they take estrogen after age 60.