Saturday Tweets: Urine, Cats and Swedish Dresses Made From Ikea Bags

...h c. pic.twitter.com/0AlIX5uNEt — Damien Kempf (@DamienKempf) June 9, 2016 Greywater Recycling Nutrient Film Hydroponic System https://t.co/j1dmFkKEoj — Root Simple (@rootsimple) June 7, 2016 Swedish traditional costume made from Ikea bags https://t.co/PU5F8Jz5Yp pic.twitter.com/juEaVpO9sK — Boing Boing (@BoingBoing) June 6, 2016 Can Human Urine Replace Chemical Fertilizers? via @modfarm https://t.co/r7BHsORXNG — Root Simple (@rootsimple) June 6,...

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Black Widow or False Black Widow?

...e kind of dangerous, either. This is not reassuring. But then on the handy page Frequently Encountered Spiders in California, I learned about the False black widow. Another European invasive, this spider seems to be displacing our native black widows in urban areas. This spider is roughly the same size and shape as a black widow, but is brown with a faint purple sheen. I like this false black widow option a lot. The false widows don’t have a dange...

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