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FrankenTitan Comes to Life

There’s electricity at Titan, the large moon of Saturn.  That can only mean one thing: life!  “Electricity Found on Saturn Moon–Could It Spark Life?” asked a headline on National Geographic News by Rebecca Carroll.  Visions of spark discharge tubes in a mad scientist’s lab arise in the imagination.  “Recently identified electrical activity on Saturn’s largest […]

Snails Walk on Water

Why is that scientist staring at a snail?  He’s watching a miracle: walking on water.  This is not our exaggeration: Matt Kaplan on National Geographic News entitled his article, “How Snails Walk on Water Is a Small Miracle.”  If we can figure out the trick, we might be able to make little robots do it […]

Journalist Advises Scientists to Tell Stories

Caltech may be the egghead capital of America.  The prestigious university where Einstein and Feynman hung out may be weak in sports and arts, but is unsurpassed in science and engineering.  Caltech graduates are so adept with mathematics and advanced physics, many of them would probably have a hard time at parties telling their relatives […]

How Cells Thread a Needle

Your challenge today is to invent a machine that can push a wet noodle through a straw.  It can’t pull it.  First it has to grab the end, then push it through without breaking it.  Oh, and there’s a catch; the straw has a plug at the far end and a constriction inside.  Give up?  […]

Nonsense and Nonscience

For an enterprise that prizes itself on objectivity and careful thought, science occasionally makes some outlandish claims.  Here are some things that slipped past the scientific method into the popular news media. As good as it gets:  Steve Jones says men have stopped evolving.  Better enjoy what you have, because it’s not going to get […]

Plants Have Thermostats

Plants, being stuck in the ground, have few options when it gets hot.  They may not be able to move into the shade like animals, but they know how to cope.  They have a built-in thermostat that acts like a fire prevention department.  Science Daily tells the story.     Researchers at Michigan State identified […]

Deep Life Is Right at Home in Total Darkness

It seems every year scientists find organisms thriving in environments thought too inhospitable for life.  A new word was coined for these organisms: extremophiles – lovers of the extreme.  Two recent discoveries push the envelope of extreme environments almost to the deep limit. Pressurized fish:  The bottoms of the deep ocean trenches of the Pacific […]

A Turtle Missing Link: Are We Missing Something?

Everyone knows the iconic drawing of the parade of human evolution (see 09/23/2008 commentary); now, its turtle counterpart is making the rounds.  An article on New Scientist shows the march of progress from lizard to turtle.  The title says, “Fossil reveals how the turtle got its shell.”  Something is missing from the article, though: a […]

It’s Fun Seeing Evolution Falsified

“Mysterious Snippets Of DNA Withstand Eons Of Evolution” is the strange title of an article on Science Daily.  Gill Bejerano and Cory McLean from Stanford are wondering why large non-coding sections of DNA are very similar, or “ultraconserved,” from mice to man (see 08/18/2007).  Evolutionary theory would expect that non-functional genetic material would mutate more […]

Reducing Human Behavior to Natural Laws

Can human behavior be reduced to natural laws that science can study in a morally neutral way?  Darwin sought to incorporate all aspects of the living world, including behavior, in natural laws that were amenable to scientific explanation.  Evolutionary biologists and neuroscientists continue in that tradition today.  Consider two recent examples in the literature that […]

Brain Candy as Tiger Milk

Observation: the human brain appears able to use lactate as fuel instead of glucose during strenuous exercise (see Science Daily).  Deduction: From an evolutionary perspective, the result of this study is a no-brainer.  Imagine what could have or did happen to all of the organisms that lost their wits along with their glucose when running […]

How the Evolution Story Became Like Jellyfish

“How the [blank] got its [blank]” is the template for story titles imitating Rudyard Kipling’s Just-So Stories: i.e., How the Camel Got His Hump and How the Leopard Got His Spots.  Kipling wrote these as silly stories to entertain children, not to be taken seriously by scientists.  Knowing that creationists often criticize Darwinian explanations as […]

Fastest Squirt Gun in the Fungi

A paper on PLoS One described the highest-speed flights in all nature: the spore discharge mechanisms in certain fungi.  A dozen scientists in Ohio worked to capture the action on ultra-high-speed cameras.  It took 250,000 frames per second to reveal how fast the projectiles accelerate.  The answer: from 20,000 to 180,000 g (where g = […]

Trees Communicate with Aspirin

Plants communicate with each other through chemical signals. Scientists found a form of aspirin that works as a distress call.

Leaves Don’t Fall; They’re Pushed

Rocks may fall (thus the need for warning signs on highways), but leaves are pushed off of trees by a genetic program.  The process, called abscission, has been mysterious for a long time.  A team from the University of Missouri has mapped out, for the first time, the abscission pathway in one plant.  Being this […]
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