This is Good News Friday, where we find some good economic, energy, and environmental news and share it with PP readers. Please send any positive news to [email protected] with subject header "Good News Friday." We will save and post weekly. Enjoy!
“It’s a surprise to see that gravity had the time to build such a huge thing considering that the universe was only roughly two billion years old,” study author Olga Cucciati from the Istituto Nazionale di Astrofisica in Italy told Gizmodo. “The bigger the structure is, the more time it takes to put it together.”
Once I was done with college, and done with researching term papers in the stacks of the Harold T. and Vivian B. Shapiro Undergraduate Library, I sloughed off the memory of those marvellous childhood trips to the Bertram Woods branch, and began, for the first time in my life, to wonder what libraries were for.
Orionid meteor shower set to peak this weekend (Thomas R.)
The best viewing will occur around 2 a.m. on both dates.
The shower can peak at 80 meteors per hour, however, according to Space.com it’s more likely that we will see 20 to 30 meteors per hour.
Medical marijuana sales are expected to dip in Canada when recreational use becomes legal, but significant growth is expected in markets where medical marijuana programs are emerging, according to a report from Arcview Market Research and BDS Analytics. The global medical pot market could be worth more than $50 billion by 2025, from $8 billion in 2017, 10 times the projected size of Canada’s total marijuana sector, according to PI Financial Corp. Medical “is potentially bigger, for sure as a percentage growth,” says Bruce Linton, chief executive officer of Canopy Growth Corp.
The text-book neuron typically resembles a tree stripped of its leaves. Branches called dendrites collect signals from other cells and transmit them down through a cell body into a long, slender trunk called an axon.
These transmissions are in the form of charged particles weaving in and out of the neuron’s membrane through ion channels, producing ripples of voltage down the cell’s length.
Whatever your sightedness, there’s something to be said for learning to listen more attentively to sonic scenery. Kish believes that vision has a way of blunting the other senses unless people work to really flex them. Deft echolocators, he says, are able to perceive fine differences—distinguishing, say, between an oleander bush (“a million sharp returns”) and an evergreen (“wisps closely packed together, which sound like a bit like a sponge or a curtain”). They’re discovering sonic wonder wherever they go. We asked Kish to tailor a lesson for first-timers just learning to listen to the landscape.
Basically, the dandelion seed floats through the air using a bundle of bristles atop a stalk, called a pappas. That structure acts like a parachute but looks more like the skeleton of an umbrella after the wind has ripped the protective fabric off. The pappas is made of filaments with large gaps between them that allows air to flow up through the bristles and carry the seeds far and wide, propelled by a floating vortex perfectly calibrated to the pappas.
In research published Thursday in the journal Scientific Reports, Stamets turned intuition into reality. The paper describes how bees given a small amount of his mushroom mycelia extract exhibited remarkable reductions in the presence of viruses associated with parasitic mites that have been attacking, and infecting, bee colonies for decades.
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