Music, walking, ventilation. Research fellow Chair of the CIBSE natural ventilation group
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Having worked in the ventilation field I hard agree with this ⬇️. Improving poorly ventilated spaces is a great idea, but over selling the impact on covid transmission with 🚨🚨🚨 could turn ppl away from improving ventilation because they don't see the improvements they r sold
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TL;DR: A pre-post study found a 4-component pathway with portable HEPA/plasmacluster units cut hospital infections (HAIs) by 69% in an oncology unit. But the authors explicitly state this cannot prove causality. 🧵: 1/11
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Statistical Caveat 3: Misreported significance on rare events. The authors report significant drops for C. diff (2 vs 0, p=0.042) and fungal cases (2 vs 0, p=0.041). Standard Fisher's Exact testing gives p=0.498 (not statistically significant). 10/11
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Summary: The study shows a promising low-cost quality bundle. However, as the authors acknowledge, the design cannot prove causality. Controlled multi-center trials are required before attributing benefits to air purification. pjms.org.pk/index.php/pjms/a… 11/11
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Thanks to mechanisation, fertilisers and short stemmed crops we really are not seeing historically low UK crop yields. Lower than previous years, but not historically low as some headlines would make us believe
I made a graph of UK cereal yields going back to 1885
You can find the data here. When people say yields are at an historic low this doesn’t mean what you may think it means - it means for the last few years.
The ‘official’ data set is here.
data.gov.uk/dataset/76ca636f…
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Why are people wasting time doing this, completely meaningless numbers. It'll be counting airline adverts next and linking it to climate change
'Constant bombardment' - fans shown 65,000 junk food ads at World Cup - bbc.co.uk/sport/football/art…
@cjsnowdon loves these kind of stats
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I wonder if the Charles Xavier 3 in 1 body wash hair shampoo and conditioner is still available?
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These logistical challenges really amaze me. Incredible to watch. Would love to see how they maneuver it into the final destination or turn it around a roundabout
Baumann in Germany moving this crazy 290 ton load. 4 trucks pulling and one pushing all with added weight on the drive axles. Also notice the guys steering the trailer sections.
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chris iddon retweeted
When you go on holiday and find "exotic flavoured" toothpaste.
Herbal miswak containing
Miswak
Chamomile
And *checks notes* Myrrh
Which I thought was some embalming agent from my wise men lore.
Anyway tastes interesting. Like minty whilst chewing on a bunch of weeds
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