Tick Bites and Lyme Disease: What the Evidence Shows
How long a tick must be attached, what works after a bite, why US case counts jumped, and what trials of longer antibiotics and a new vaccine found.
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Toxic Algae in Drinking Water: What the Evidence Shows
In 2014 about 400,000 people in Toledo were told not to drink their tap water. What research shows about toxic algae in drinking water and how to protect your household.
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Landmines and Unexploded Ordnance: What the Casualty Records Show
A household survey in one Vietnamese province found that only 4.3 per cent of 7,030 war-debris casualties came from landmines. What the casualty records show about explosive remnants of war, who dies, and the prevention programme nobody could measure.
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Houses Do Not Usually Burn From the Flames. They Burn From What Lands in the Gutter.
Embers are the leading cause of home ignition in wildfire, and they arrive miles ahead of the fire. An ember-resistant buffer halves a home ignition risk, and clearing perimeter vegetation nearly doubles survival odds. Why the first five feet matter more than the next ninety-five, and which measures have evidence behind them.
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The Safe Level of Air Pollution Keeps Moving Down
The EPA cut the PM2.5 standard from 12 to 9 in 2024 because studies kept finding harm below the old limit. Meanwhile wildfire smoke has reversed clean air progress in 35 states. What a HEPA filter measurably does — and what it cannot touch.
