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Rj Mackenzie

Reporter · US

Indexed articles, last 90 days
2
Latest publication
Aug 5, 2026
Outlet visibility, for Popular Science
Top 50K sites
Earliest in this view
Jul 19, 2026
The latest indexed work is over 30 days old. There may be a gap in what we hold.

Latest articles

  1. Article · Aug 5, 2026 · RJ Mackenzie

    During WWII, Great Britain poisoned sheep with anthrax on an idyllic Scottish island (opens the original)

    Excerpt · English

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    Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy. You may unsubscribe at any time. Any tourists driving the remote coasts of Wester Ross in the northwest Scottish Highlands would be forgiven for overlooking Gruinard Island. After all, this low, featureless hump has no

  2. Article · Jul 19, 2026 · RJ Mackenzie

    Does summer actually make your hair grow faster? (opens the original)

    Excerpt · English

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    As we enter the height of summer, the warmer, sunnier weather takes a toll on our bodies. This includes minor irritants, like sweatier armpits, as well as major risks, such as heatstroke or serious sunburn. Some even believe summer can help their hair grow faster. The scientific evidence behind this idea is more of a patchy combover than a thick mane. But there’s some reason to think that summer, and specifically the sun, might help hair growth. One thing is clear: Our hair doesn’t always grow a

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Top 50K sites

For Popular Science, the outlet · Measured Aug 1, 2026

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