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Thrifty Thursday: The Ant and the Watery Lens

Thrifty Thursdays feature photographs taken with equipment costing less than $500. [iPhone 4S - $336; water droplet - free]One year ago I posted a short note describing how to turn your cell phone into a microscope using a droplet of water .I haven't used the technique much since, but this afternoon I turned on the faucet, grabbed an ant, and captured this macro shot of the insect as she rested on a backlit leaf...

March 7, 2013 — Alex Wild

Thinning the Fog around Sirtuins

What is it about sirtuins? Few research topics have engendered fiercer controversy in recent years than these enzymes, channels through which the famous red-wine ingredient resveratrol appears to exert effects like those of calorie restriction, a reduction of food intake known to slow aging in many species.The most basic bone of contention is whether resveratrol really activates sirtuins...

March 7, 2013 — David Stipp

ScienceOnline2013 Music Video

Video of the Week #82, March 7th, 2013: From: May I Present: The Science Online 2013 Music Video by Carin Bondar at PsiVid . Source: ScienceOnline Each year, scientists and science communicators gather in Raleigh, NC (USA) for the ScienceOnline Unconference...

March 7, 2013 — Bora Zivkovic

Naked-Eye Comet Pan-STARRS Climbing into Northern Skies

This year is shaping up to be a great one for amateur sky-watchers. Toward the end of 2013, astronomers expect the recently discovered Comet ISON (officially designated C/2012 S1) to shine mightily as it approaches the sun—possibly glowing as bright as the full moon...

March 7, 2013 — John Matson

Human Brain Cells Make Mice Smart

Study shows that intelligence derives from brain cells other than neurons A team of neuroscientists has grafted human brain cells into the brains of mice and found that the rodents’ rate of learning and memory far surpassed that of ordinary mice...

March 7, 2013 — R. Douglas Fields

Down the Rabbit Hole

" And when you gaze long into an abyss the abyss also gazes into you. "" Beyond Good and Evil ", Aphorism 146 (1886) by German philosopher Friedrich Nietzsche (1844–1900)Since prehistoric times humans ventured into caves, as proved by the discovery of rock art even in remote parts of many European cave systems...

March 7, 2013 — David Bressan

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