Tag Archives: history

Using Vaccines Wisely

Using drones to deliver vaccines seems reasonable for places like Vanuatu. But vaccines won’t help if folks don’t know how to use them correctly, or can’t. Others avoid vaccines because they believe warnings from dubious sources. Facts and fears Health, … Continue reading

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Climate Change, Attitudes

I’ll be talking about Earth’s climate, China’s pollution problems, and icebergs: including one the size of Delaware. The big berg broke off from Antarctica this week. The recent G20 meeting was mostly about economics, not climate change; but that didn’t … Continue reading

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Misusing Opioids

“Crisis” or not, opioid overdose is a problem. A lethal one, sometimes. We’ve used one opioid, opium, for millennia. Others have been developed during my lifetime. They’re all useful: and dangerous if misused. Drugs in the 19th century “Laughing Gas” … Continue reading

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Exoplanet Frontier

We wouldn’t expect to find life on 51 Eridani b, even if were the size of Earth and at the right distance from its star. The planet is only a bit over 20,000,000 years old. At that point in our … Continue reading

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London Fires, Mostly

Many folks who lived in Grenfell Tower got out. Many others died. We don’t know how many. A current estimate is 79. Determining the exact number will be difficult, since high temperatures may have effectively obliterated some human remains. Some … Continue reading

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