After nearly two months of wandering the Southern Hemisphere and a few weeks of recovery post-return, it's time to get back into the blogging here at the Artful Amoeba.
Put your gills in the air like you just don't care . . . Christmas tree worms, Spirobranchia giganteus. Creative Commons Nick Hobgood. Click image for link to image and license.
Imagine you are a tiny caddisfly pupa. When you emerge from your pupal case, it is dark, but not pitch black, and high above you, you see the faint glow of a starry sky.
When we left the volcano Rangitoto two posts ago, I promised more Down Under fern excitement. For the six of you still here, here we go!Toward the beginning of my hike I saw signs pointing to a kidney fern glen or gully.
A beautiful young New Zealand fern frond unfolding, with mature leaves at left. (C) Jennifer Frazer. A fern may seem a simple thing. It's a leaf; it sprouts from the forest floor.
A week and a half ago I stepped off a plane and into the Southern Hemisphere for the first time in my life. In spite of 12 hours of cramped legs and loud children heedless of fellow travelers' sleep needs, it was an exhilarating feeling.
Your floor-model animal mitochondrion. Public domain. Click for link. Two billion years ago, around the time atmospheric oxygen levels were rising, one cell engulfed another, and instead of becoming lunch, the ingestee became an Earth-changer and, eventually, a vital part of you: mitochondria.These microscopic cell inhabitants/engines allowed their host cell to suddenly begin to burn oxygen when digesting their food, an energy source that vastly expanded the amount of energy they could harvest from a given morsel of food.
In the Nature podcast interview that went along with my Kawasaki Disease story at Nature (look for the interview halfway down the page at the story here), I talked about the tantalizing work of Dr.
Aneurysms in the coronary arteries of a Kawasaki victim. Public domain; click for source. That's the question I examine in my first feature story for Nature , published today online and in the print magazine April 5.
Marburg Virus. Note distinctive "Shepherd's crooks". CDC/ Dr. Erskine Palmer, Russell Regnery, Ph.D., CDC Public Health Image Library #275; Public Domain.
STAFFBehind the scenes at Scientific AmericanRead
Anecdotes from the Archive
Anthropology in Practice
Exploring the human condition.Read
Insights into intelligence, creativity, and the mindRead
Everything you always wanted to know about raising science-literate kidsRead
Critical views of science in the newsRead
Dark Star Diaries
Explore the science behind the dog in your bedRead
News and research about endangered species from around the worldRead
Frontiers for Young Minds
Science by and for kids ages 8-15Read
Commentary invited by editors of Scientific AmericanRead
Climate science in a changing worldRead
Illusions, Delusions, and Everyday DeceptionsRead
Discussion and news about planets, exoplanets, and astrobiologyRead
MIND Guest Blog
Commentary invited by editors of Scientific American MindRead
Not bad science
New discoveries in animal behavior and cognitionRead
Opinion, arguments & analyses from guest experts and from the editors of Scientific AmericanRead
More than wires - exploring the connections between energy, environment, and our livesRead
Roots of Unity
Mathematics: learning it, doing it, celebrating it.Read
Adventures in the good science of rock-breaking.Read
STAFFIllustrating science since 1845Read
STAFFA science blog, sans blagueRead
Amphibians, reptiles, birds and mammals - living and extinctRead
The Artful Amoeba
A Blog About the Weird Wonderfulness of Life on EarthRead
Exploring and celebrating diversity in science.Read