"Not every yellow bloom ― or fluffy white globe ― taking over your backyard is a dandelion. Some of them are close relatives called catsears. But both of them have a little secret. To tell them apart... continue reading

posted by ant 2 weeks 6 days ago • 77 views • 4:50

https://www.iter.org/ In southern France, 35 nations* are collaborating to build the world's largest tokamak, a magnetic fusion device that has been designed to prove the feasibility of fusion as a... continue reading

posted by eric3579 1 month 4 weeks ago • 746 views • 7:59

Createk third-arm : Supernumerary robotic arm powered by magnetorheological clutches and an hydrostatic transmission. Fast enough to compensate for human motions while being safe for physical human-robot interaction. ... continue reading

posted by newtboy 3 months 2 weeks ago • 109 views • 2:51

On a hike looking for rare limestone endemic plants in Death Valley, we spotted the wreckage of a plane! After several hours of hiking and many interesting plants, we managed to scramble over to the wreck.... continue reading

posted by eric3579 5 months ago • 1,763 views • 5:01

"... It sounds like such an incredible fact. “Our own cells are outnumbered by our microbes 10 to 1!” I don’t remember where I first heard it. But I read it in science papers and articles by journalists,... continue reading

posted by ant 1 year 3 weeks ago • 1,349 views • 13:23

YouTube description: Sabra Kauka finds great joy in making the past present. A cultural practitioner on Kauai, she teaches Hawaiian children the arts of their ancestors, including kapa. In this physically... continue reading

posted by Aard Vark (oritteropo) 1 year 7 months 1 week ago • 346 views • 4:13

The wet season started and so fire related projects are harder to do. So I planted this years crop of yams using a different technique. The stones covering the mounds protect the yams from predators such... continue reading

posted by Mordhaus 1 year 8 months 2 weeks ago • 466 views • 6:48

--- Do earwigs climb into your ear? The quick answer is no. Earwigs are not interested in climbing into your ear to lay their eggs or otherwise. They’re no more likely than any other bug to accidentally... continue reading

posted by Mordhaus 1 year 11 months 2 weeks ago • 149 views • 4:21

We talked to the co-founder of Tesla, JB Straubel, about why giant batteries are crucial to the future of power grids everywhere. Batteries are becoming more useful at powering bigger things like bikes,... continue reading

posted by b4rringt0n 2 years 1 month 2 weeks ago • 495 views • 6:15

YouTube description: Trees talk and share resources right under our feet, using a fungal network nicknamed the Wood Wide Web. Some plants use the system to support their offspring, while others hijack... continue reading

posted by Aard Vark (oritteropo) 2 years 2 months 4 weeks ago • 422 views • 1:48

"You'll probably survive." YouTube: If you've spent any time on the internet, you know that Australia is host to all sorts of horrible spiders and snakes. But that doesn't even begin to cover the myriad... continue reading

posted by PlayhousePals 2 years 3 months ago • 153 views • 11:18

In the mid-aughts, the police sergeant Ronald Watts knew how to exploit the lawlessness of the Ida B. Wells Homes. The Exoneration Project believes that he and his officers wrongly arrested hundreds of people.

posted by newtboy 2 years 4 months 1 week ago • 922 views • 7:06

"... Every once in a while, all the oaks or spruces or other plants in a region suddenly produce a tremendous bounty of seeds – up to 100 times more than usual. But why do they do it, and how do they... continue reading

posted by ant 2 years 4 months 3 weeks ago • 181 views • 2:57

"If you need calcium, eat a milkman." Mom

posted by PlayhousePals 2 years 4 months 3 weeks ago • 981 views • 4:58

YT: I built an A frame hut as a large work space for projects. First I made a celt hatchet to cut timber for the hut. The axe head was made of amphibolite and the handle was made of a species of wattle.... continue reading

posted by nanrod 2 years 8 months 1 week ago • 516 views • 9:05

At this time of year we have to start being extra watchful – our lambs are vulnerable to attack from this silent killer.. Not everyone is going to agree with this thesis – but I’ve been rescuing... continue reading

posted by Mordhaus 2 years 8 months 2 weeks ago • 1,476 views • 3:32

YouTube description: Real indigo-dyed clothing is not like the blue you know. Richer than the chemical blues used on most fabrics today, real indigo dye comes from a plant and has a surprising range... continue reading

posted by Aard Vark (oritteropo) 2 years 9 months ago • 1,381 views • 3:05

The reason they need weevil greenhouses is that the Brazilian weevils don't like Texan winters, and tend to die off over winter. If they mentioned it in this video I missed it. YouTube description: ... continue reading

posted by Aard Vark (oritteropo) 2 years 11 months ago • 971 views • 3:44

I made a brick mold that makes bricks 25 x 12.5 x 7.5 cm from wood. A log was split and mortise and tenon joints were carved using a stone chisel and sharp rocks. The mold was lashed together with cane... continue reading

posted by Mordhaus 3 years ago • 1,015 views • 10:47

Humans emit roughly 30 to 40 billion tons of the greenhouse gas, carbon dioxide, into the atmosphere each year. If we keep it up, Earth will continue to heat up and ultimately devastate our way of life. ... continue reading

posted by newtboy 3 years 4 months ago • 105 views • 2:18