Tag Archives: science

What is atrial fibrillation, and why is your watch telling you about it?

By Paul | Published September 27, 2018

John Timmer at ARS: Your heart has four chambers, two atria and two ventricles. The atria are smaller chambers at the top of the heart, and their contraction fills the larger ventricles with blood. The ventricles then provide the powerful push that sends the blood either to the lungs to pick up oxygen or out […]

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Science in a bottle: 132-year-old experiment washed ashore in Australia

By Paul | Published March 12, 2018

Kiona N. Smith at ARS Technica: A 132-year-old message in a bottle turned up on an Australian beach earlier this year, but it’s not a love note or a treasure map: it’s a science experiment. […] “This bottle was thrown overboard on 12th June 1886, in 32 degrees, 49 minutes latitude South and 105 degrees, […]

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NASA Unleashes Two Vintage Warplanes to Chase the Eclipse

By Paul | Published August 2, 2017

Wired: WHILE MILLIONS OF astronomy enthusiasts chase the moon’s shadow on the ground during the August 21 total solar eclipse, four NASA personnel are going to have front row seats. Two pilots and two technicians will race the big black spot at 50,000 feet, well above any cloud cover. And at 400 mph, they’ll be […]

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Genetic evidence suggests the Canaanites weren’t destroyed after all

By Paul | Published July 28, 2017

Annalee Newitz, writing at ARSTechnica: The Canaanites are famous as the bad guys of the Book of Joshua in the Tanakh, or the Hebrew Bible. First, God orders the Hebrews to destroy the Canaanites along with several other groups, and later we hear that the Canaanites have actually been wiped out. Among archaeologists, however, the […]

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Eclipse 2017: T-2 Months

By Paul | Published June 21, 2017

If you’re anything like me, you heard about the 2017 eclipse over a year ago and thought “cool,” but haven’t really thought about it since. This week, some of the photography podcasts I listen to started talking about the eclipse and man, I’m really starting to get excited!

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Oldest Fossils of Homo Sapiens Found in Morocco

By Paul | Published June 7, 2017

Carl Zimmer, writing for The Paper of Record: Dating back roughly 300,000 years, the bones indicate that mankind evolved earlier than had been known, experts say, and open a new window on our origins. The fossils also show that early Homo sapiens had faces much like our own, although their brains differed in fundamental ways. […]

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Bill Nye Saves the World

By Paul | Published April 24, 2017

Netflix: Emmy-winning host Bill Nye brings experts and famous guests to his lab for a talk show exploring scientific issues that touch our lives. Wow. Great show! Even better than I was hoping.

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A Skeptical Response to Science Denial

By Paul | Published January 4, 2017

So, study after study confirms an overwhelming scientific consensus on climate change. But what does the average person think about the consensus? A Yale survey of Americans found that on average, people think that 67 percent of climate scientists agree that humans are causing global warming. That already sounds disturbingly low, but it’s even worse […]

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The Last Steps

By Paul | Published November 28, 2016

Great Big Story: On December 7, 1972, NASA launched Apollo 17, a lunar mission crewed by Eugene Cernan, Ronald Evans and Harrison Schmitt. It would be the last time humans traveled beyond low Earth orbit, the last time man landed on another celestial body, and the last time man went to the moon. The Last […]

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Nice Shot! Balancing the Supermoon on the St. Louis Arch

By Paul | Published November 17, 2016

The supermoon appears to balance on top of the St. Louis arch. Photographer David Carson shot with a Canon 1DX. The exposure was ISO 250, shutter speed 180, aperture f4.5.

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