September 17, 2014
Okay, what’s going on with this? Does it have a backup drive? How can a flatworm’s memory be better than mine?

did-you-kno: A study shows that a flatworm retains its memory even after it has been decapitated and grown a new head. Source

Okay, what’s going on with this? Does it have a backup drive? How can a flatworm’s memory be better than mine?

did-you-kno: A study shows that a flatworm retains its memory even after it has been decapitated and grown a new head. Source

July 26, 2014
Spider Web


A spider web is a complex and beautiful thing. It is also functional. Spider webs have evolved through natural selection. That means that random changes in genes have been passed on to later generations. Spiders, like all animals and adaptations,  have evolved over millions of years and spider webs have existed for at least 100 million years (based on examples found in amber specimens).

Not all…

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July 22, 2014
Genetics

Genetics http://wp.me/s4ctFT-genetics

Mid-1800s Czechoslovakia: My ancestors are still considering

birthing my grandparents; Friar Johann Gregor Mendel

experiments on his 28,000 edible pea plants.

Each develops their own theory of inheritance.

People, plants and the recombination of genes.

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July 15, 2014
The Chipmunk Knows No Science

The Chipmunk Knows No Science

Encouraged by rain, mushrooms in my backyard.

A field guide identifies them as Amanita rubescens,

edible, but easily confused with poisonous species.

Cowardly avoided, even with this scientific information,

I watch a chipmunk nibble it away.

Amanita-Rubescens

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June 18, 2014
Why did some Civil War soldiers glow in the dark?

Some of the Shiloh soldiers sat in the mud for two rainy days and nights waiting for the medics to get around to them. As dusk fell the first night, some of them noticed something very strange: their wounds were glowing, casting a faint light into the darkness of the battlefield. Even stranger, when the troops were eventually moved to field hospitals, those whose wounds glowed had a better survival rate and had their wounds heal more quickly and cleanly than their unilluminated brothers-in-arms. The seemingly protective effect of the mysterious light earned it the nickname “Angel’s Glow.”

Why? read more

May 26, 2014
Naia, One of Earliest Americans

Naia, One of Earliest Americans

skull

The Hoyo Negro skull underwater Photo Credit: Paul Nicklen/National Geographic.

A skeleton, known as the Hoyo Negro (Black Hole) skeleton, is the most complete Paleoamerican remains known. It was found in 2007 by three divers exploring a Mexican cave.

It helps researchers get closer to understanding who the early “Americans” were and where they came from.

When I took archaeology and anthropology…

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April 5, 2014
On The Nature Of Things

On The Nature Of Things

Lucretius

illustration from Stephen Greenblatt’s piece in The New Yorker about Lucretius

I finished reading Stephen Greenblatt’s book, The Swerve: How the World Became Modern, this week.  It inspired this morning’s poem on my daily poem project, Writing the Day.

Reading Lucretius

this twenty-first century morning makes me

a Roman meditating a thousand years ago

On the Nature of Things, a universe

without…

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March 30, 2014
Ghost Heart

heart

Ghost heart image by Doris Taylor

Right now, more than 3,200 people are on the waiting list for a heart transplant in the United States. And other s are hoping for replacement kidneys, livers, lungs, and pancreases. We need spare parts.

Some of those waiting won’t make it, because an appropriate match won’t be available in time. Some will get a transplant, but it will be rejected by their body.…

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March 18, 2014
"There once was a ripple in space
That grew at incredible pace
Now close observation
Reveals this inflation
Has left an indelible trace."

— Limerick poet Mick Twister rhymes yesterday’s news that physicists had observed gravitational waves, strong proof that cosmic inflation occurred in the earliest moments of our universe.

(via sci-universe)

March 8, 2014
I am looking forward to watching Cosmos: A Spacetime Odyssey - the relaunch of Carl Sagan’s classic “Cosmos: A Personal Voyage.”
The show is hosted by astrophysicist Neil deGrasse Tyson.
Cosmos premieres Sunday (March 9) on FOX, and Monday (March 10) on the National Geographic Channel.

I am looking forward to watching Cosmos: A Spacetime Odyssey - the relaunch of Carl Sagan’s classic “Cosmos: A Personal Voyage.”

The show is hosted by astrophysicist Neil deGrasse Tyson.

Cosmos premieres Sunday (March 9) on FOX, and Monday (March 10) on the National Geographic Channel.

(Source: sci-universe, via sci-universe)

February 28, 2014
New Moon, Black Moon

New Moon, Black Moon

There was no New Moon this month, but there will be two in March – on the 1st and the 30th.

I have seen some websites call the New Moon a Black Moon. That is not an astronomical term but the name is understandable since the Moon is not normally visible at this phase (except when it is seen in silhouette during a solar eclipse).

To…

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February 25, 2014
Rather amazing mushrooms

Rather amazing mushrooms

2:00pm  |   URL: http://tmblr.co/Zv4pby18UgbtP
  
Filed under: mushrooms science nature 
February 21, 2014
It’s All In How We Ask the Questions

I never lose sleep worrying about light. Is it a particle or a wave? It has a very lovely split personality.

It’s All In How We Ask the Questions

I never lose sleep worrying about light. Is it a particle or a wave? It has a very lovely split personality.

February 19, 2014
What is going on on Mars during certain times of the year when dark streaks are appearing? Scientists baffled. It isn’t water. It contains iron.
Strange Dark Streaks on Mars Get More and More Mysterious - Wired Science

What is going on on Mars during certain times of the year when dark streaks are appearing? Scientists baffled. It isn’t water. It contains iron.

Strange Dark Streaks on Mars Get More and More Mysterious - Wired Science

(via coolcatteacher)

7:00pm  |   URL: http://tmblr.co/Zv4pby17wkaFw
  
Filed under: Mars space science 
February 8, 2014
sci-universe: These footprints, found on England’s eastern coast, are more than 780,000 years old. They are the earliest human footprints that have been found outside of Africa.
The footprints were discovered in Happisburg, Norfolk last May, have been uncovered by a team of scientists led by Queen Mary University of London, the British Museum and the Natural History Museum. A  study published Februry 7 in the journal Plos One describes the find and the species believed to have left them.

The ancient mud where the footprints were preserved has been dated to between 780,000 and one million years ago.

The oldest known footprints are preserved in volcanic ash at Laetoli in Tanzania, and are 3.66 million years old.


Read the full article here.

sci-universe: These footprints, found on England’s eastern coast, are more than 780,000 years old. They are the earliest human footprints that have been found outside of Africa.

The footprints were discovered in Happisburg, Norfolk last May, have been uncovered by a team of scientists led by Queen Mary University of London, the British Museum and the Natural History Museum. A  study published Februry 7 in the journal Plos One describes the find and the species believed to have left them.
The ancient mud where the footprints were preserved has been dated to between 780,000 and one million years ago.
The oldest known footprints are preserved in volcanic ash at Laetoli in Tanzania, and are 3.66 million years old.
Read the full article here.

7:24pm  |   URL: http://tmblr.co/Zv4pby16r5ySN
  
Filed under: science 
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