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PlantsMisunderstood stripes confuse individuality
In the debate over how many fungi make up one lichen body, a researcher argues for two unrelated fungal species in the same lichen.
By Susan Milius -
PlantsEverglades plant is he, then she, then he
Sawgrass, the signature plant of the Everglades, switches genders twice during its week of blooming and thus reduces the chances of self- fertilization.
By Susan Milius -
Near-death events take arresting turn
A survey of people treated for serious heart problems indicates that 1 in 10 of those who survived cardiac arrest had an accompanying near-death experience.
By Bruce Bower -
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I passed out three different times from temporary heart stoppages before I got my pacemaker, and I remember dreaming twice. Since I am not religious, my dreams weren’t similar to reported “near-death experiences,” but it doesn’t surprise me that a religious person who thought she were dying would dream of going to heaven. Donald DozerChardon, […]
By Science News -
PhysicsIcy telescope spots hot neutrinos
The first sky map from an innovative neutrino telescope indicates that the instrument works properly and is poised to find never-before-seen signals from the universe's most violent events.
By Peter Weiss -
HumansIn Search of a Scientific Revolution
A year after self-publishing a best-selling book in which he proposes a new framework for doing science, Stephen Wolfram is taking new steps to transform science.
By Peter Weiss -
Health & MedicineBlood Sugar Fix
A new class of experimental drugs that mimic the actions of the hormone glucagon-like peptide 1 shows benefits against type 2, or adult-onset, diabetes.
By Nathan Seppa -
HumansFrom the August 12, 1933, issue
CONTINENTAL LIGHTHOUSE This is a moonlight photograph of the 400-watt electric lamp on the top of Mt. Washington. When flashed recently in visibility tests conducted by the Mt. Washington Polar Year observers, it was noticed as far away as Boothbay Harbor, Maine, 95 miles distant, and at many other points in New England. Current for […]
By Science News -
HumansAlexandria’s Library
The Library of Alexandria was one of the wonders of the ancient world. Egypt has now rebuilt the library as the Bibliotheca Alexandrina, housed in a new complex in Alexandria. The Web site includes a history of the ancient library, a photo tour of the new facility, links to archaeological investigations of Alexandria, and other […]
By Science News -
MathRunning Lanes and Extra Steps
When going out to your local running track for a workout, you sometimes find that you are allowed to use only certain lanes for training. On any looped track, however, the outer lanes are longer than the inner lanes. That presents a problem for someone using the track for speed workouts. A four-lane equal-quadrant running […]
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PhysicsElectric Foam: Scientists uncover basis of material oddball
Specially treated polypropylene foam can mimic the defining behavior and other desirable properties of ceramic piezoelectric materials, which generate electric signals when squeezed.
By Peter Weiss -
TechShining True: Marking original documents with a lick of gloss
Scientists have a new way of making forgery-proof documents by using laser color printers to embed hologramlike images in a document’s glossy surface.