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March 23 is Near Miss Day

March 23, 2017/0 Comments/in March

Today is Near Miss Day. On March 23, 1989, an asteroid passed uncomfortably close to Earth.

Asteroids fly by Earth fairly often, with no deleterious effects. If NASA notified us of every space rock in our general vicinity, we’d spend all our time:

watching Discovery channel disaster porn about the killer rock that’s probably on its way right now to snuff us like the dinosaurs,
sharing dash cam footage of the 2013 meteor explosion over Russia, or
searching Armageddon for clues about how to survive.
(Bruce Willis + Ben Affleck x Aerosmith = a fate worse than death)

The asteroid known as 4581 Asclepius passed us at a distance of 684,000 km (425,000 mi) and briefly occupied the exact spot where Earth had been only six hours earlier. It might have caused concern if anyone had noticed it at the time. Amateur astronomer Dr. Henry Holt discovered it a week later.

After the fact, NASA breathlessly reported a made-for-Hollywood doomsday scenario, stating that the asteroid was at least half a mile (over 800 meters) in diameter. But studies of its brightness, likely composition and other factors have created scientific consensus that 4581 Asclepius is most likely 300 meters in diameter.

Why is this important? An asteroid would have to be at least 1 kilometer in diameter to precipitate an extinction-level event. But a comparatively small asteroid, while not a planet killer, would still devastate a large area, whether it hit the ocean, cratered on land or exploded in the atmosphere.

The best spin we can put on it is this: If you’re reading this, nothing has happened yet. The scientists watching the skies can’t stop an asteroid strike, but they will be able to let us know we’re doomed so we can make our last moments count. (Hint: Delete Deep Impact from your Netlix queue.) Until then, have a happy Near Miss Day!

December 12 is Poinsettia Day

December 12, 2016/0 Comments/in December

Today is Poinsettia Day, which marks the death of Joel Roberts Poinsett on December 12, 1851. Poinsett was appointed in 1825 by President John Quincy Adams as Envoy Extraordinary and Minister Plenipotentiary to Mexico. (The title “Ambassador” wasn’t created until 1896.)

While there, Poinsett, an amateur botanist, introduced the American elm to Mexico. In 1829, he returned to his home in South Carolina with cuttings of a shrub with red flowers and cultivated it in his greenhouse.

The plant has a rich history in Mexico. The Aztecs called it Cuitlaxochitl (from cuitlatl, for residue, and xochitl, for flower) and used the leaves to dye fabrics and the sap to control fevers. Today it’s known in Mexico and Guatemala as La Flor de la Nochebuena (Flower of the Holy Night) and is displayed during celebrations of the Dia de la Virgen de Guadalupe, which also happens to take place on December 12.

We’re not sure who started the rumor that poinsettias are poisonous, but we’ve found many studies refuting it, including this one, published in the American Journal of Emergency Medicine:

To determine if there was any validity to the toxicity claims, 849,575 plant exposures reported to the American Association of Poison Control Centers were electronically analyzed. Poinsettia exposures accounted for 22,793 cases and formed the subset that was analyzed to critically evaluate the morbidity and mortality associated with poinsettia exposures. There were no fatalities among all poinsettia exposures and 98.9% were accidental in nature, with 93.3% involving children. The majority of exposed patients (96.1%) were not treated in a health care facility and 92.4% did not develop any toxicity related to their exposure to the poinsettia.

Experts say a fifty-pound child would have to eat at least five hundred leaves just to get a bellyache. Since they taste terrible and a plant has a fraction of that number of leaves, it’s unlikely anyone is going to make a meal of them.

Although poinsettia leaves won’t kill pets, either, its emetic properties can make them throw up which, let’s face it, is no fun for anyone involved. Just to be on the safe side, keep it away from Fido and Mr. Whiskers. Everyone else can enjoy the sight of this iconic symbol of the holiday season and have a happy (and healthy) Poinsettia Day!

July 18 is World Listening Day

July 18, 2016/1 Comment/in July

Nice work, if you can get it.

Today is World Listening Day. It honors the birth on July 18, 1933, of Raymond Murray Schafer, the Canadian composer, teacher and environmentalist who invented the study of acoustic ecology at Vancouver’s Simon Fraser University in the late 1960s.

Acoustic ecology uses field recordings to create and preserve the planet’s disappearing soundscapes while battling schizophonia, a word Schafer coined to define a unique medical condition. “We have split the sound from the maker of the sound,” Schafer explained.

“Sounds have been torn from their natural sockets and given an amplified and independent existence. Vocal sound, for instance, is no longer tied to a hole in the head but is free to issue from anywhere in the landscape.” We have a strong sensory response to this: it smells like feces and sounds like tenure.

The first World Soundscape Project was born from Schafer’s annoyance at the noise pollution he felt was ruining beautiful Vancouver. It has evolved into a serious course of study. This business of listening seems to rely on a whole lot of talking.

The World Listening Project (WLP) was created in 2008 as a not-for-profit, tax-exempt organization dedicated to understanding societies, cultures and environments by listening and preserving audio. Finally, someone has found a way to achieve tax-exempt status for recording a garage band or just the sound a garage makes.

WLP and the Midwest Society for Acoustic Ecology (MSE), under the auspices of the American Society for Acoustic Ecology (ASAE), created World Listening Day in 2010. Why? Per its site:

Cities’ sonic identities are continually fluctuating as residential and commercial infrastructures develop. The resultant social dynamics of industrialization and gentrification sponsor variegated relationships between people and the public and private places they occupy.

“…sponsor variegated relationships”? It looks like a thesaurus bled out all over an SAT. We get it: change sucks. Why can’t everything be like yesterday? If only we had a way to preserve it forever, like on DVD, but without the pesky visuals.

The theme of World Listening Day 2016 is “Sounds Lost and Found.” Per the organizers:

[W]e invite you to dig into crates of vinyl and cassettes, dive into digital archives, and engage deeply with memories and unheard languages to rediscover or identify these “lost sounds.”

While we agree that listening is an essential and underappreciated art, we don’t understand the need to starve other senses like sight to do it; we aren’t sure we can engage deeply with an unheard language. But maybe we weren’t listening closely enough. Would you mind repeating it?

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