DNA

New York tech start-up develops DNA amplifier the size of a paper clip

Other Sciences /

created Nov 21, 2005 | popularity 4.2 / 5 (41) | comments 0

Crime labs and operating rooms that use deoxyribonucleic acid (DNA) testing to prosecute criminals and heal patients could get the job done cheaper and with less equipment if a New York company's first-generation ...


Look ma, no hands!

Look ma, no hands!

Other Sciences /

created Nov 01, 2005 | popularity 4.5 / 5 (40) | comments 0

A few years ago scientists managed to wire a monkey’s brain to a robotic arm. The monkey learned to manipulate the arm simply by thinking. This year, John Donoghue at Brown University has managed to do the same ...


Machines making other machines: new twist on self-replication

Other Sciences /

created Oct 03, 2005 | popularity 1 / 5 (2) | comments 0

How can we best build self-replicating machines? The past few decades have witnessed self-replicating virtual automata, ranging from the benign Game of Life by Conway to malicious computer viruses. Self-replicating physical ...


Before 'Lucy,' there was 'Ardi': Oldest hominid skeleton provides new evidence for human evolution

Before 'Lucy,' there was 'Ardi': Oldest hominid skeleton provides new evidence for human evolution (w/ Video)

Other Sciences / Archaeology & Fossils

created Oct 01, 2009 | popularity 4.7 / 5 (35) | comments 1

In a special issue of Science, an international team of scientists has for the first time thoroughly described Ardipithecus ramidus, a hominid species that lived 4.4 million years ago in what is now Ethiop ...


Winning While Losing: New Strategy Solves 'Two-Envelope' Paradox

Winning While Losing: New Strategy Solves 'Two-Envelope' Paradox

Other Sciences / Mathematics

created Aug 18, 2009 | popularity 3.6 / 5 (34) | comments 42

(PhysOrg.com) -- Researchers from Australia have taken a step toward resolving a seemingly simple yet unsolved paradox known as the "two-envelope" problem. They’ve worked out a new strategy that can enable ...


Why Things Become Unpopular

Why Things Become Unpopular

Other Sciences / Social Sciences

created Jun 04, 2009 | popularity 3.5 / 5 (29) | comments 13

(PhysOrg.com) -- "Why is everybody suddenly wearing those new sandals and listening to that new band? It's so trendy!" A recent study has investigated this sentiment in order to understand why some cultural ...


Prime Numbers

New Pattern Found in Prime Numbers

Other Sciences / Mathematics

created May 08, 2009 | popularity 4.5 / 5 (82) | comments 41

(PhysOrg.com) -- Prime numbers have intrigued curious thinkers for centuries. On one hand, prime numbers seem to be randomly distributed among the natural numbers with no other law than that of chance. But ...


Viswanathan Anand

Why Men Rank Higher than Women at Chess (It's Not Biological)

Other Sciences / Other

created Jan 12, 2009 | popularity 2.9 / 5 (21) | comments 27

(PhysOrg.com) -- In the recorded history of chess, world champions have always been male, not female. Further, there is currently only one woman in the top 100 chess players in the world. Because chess is ...


Study Shows How We Evolved Different Personalities

Study Shows How We Evolved Different Personalities

Other Sciences / Other

created Nov 13, 2008 | popularity 3.9 / 5 (46) | comments 13

(PhysOrg.com) -- Although members of the same species share more than 99 percent of their genetic makeup, individuals often have small differences, such as in their appearance, susceptibility to disease, and ...


Tribal war drove human evolution of aggression

Other Sciences / Other

created Sep 09, 2008 | popularity 3.7 / 5 (64) | comments 51

Wars are costly in terms of lives and resources – so why have we fought them throughout human history? In modern times, states may fight wars for a number of complex reasons. But in the past, most tribal wars were fought ...


Online Dating: Where Technology and Evolution Collide

Online Dating: Where Technology and Evolution Collide

Other Sciences / Other

created Jun 26, 2008 | popularity 3.6 / 5 (30) | comments 10

When searching for a soul mate, you might think that the more options, the better. But the rise of technology – notably, the Internet – has thrown a wedge in that perception.


Researchers stumped by drug addiction paradox

Researchers stumped by drug addiction paradox

Other Sciences / Other

created Apr 16, 2008 | popularity 4.4 / 5 (110) | comments 29

From chocolate and caffeine to nicotine and cocaine, many of our most addictive foods and drugs come from plant toxins. Considering that plants originally developed these toxins to deter herbivorous predators, ...


A Boeing 747 passenger plane

The Best Way to Board a Plane

Other Sciences / Mathematics

created Feb 14, 2008 | popularity 4.6 / 5 (125) | comments 18

Most airlines board passengers the same way, first filling the seats in the back of the plane, and then moving to the front. After a recent experience boarding a plane in this manner, Fermilab physicist Jason ...


Model of Easter Island Collapse Might Reveal Message for Today

Model of Easter Island Collapse Might Reveal Message for Today

Other Sciences / Mathematics

created Feb 11, 2008 | popularity 4.3 / 5 (87) | comments 4

When a thriving civilization suddenly collapses, it’s often a mystery – and an ominous one, at that. For Easter Island circa 1000-1400 AD, experts believe it was a case of humans overexploiting their natural ...


How We Localize Surround Sound

How We Localize Surround Sound

Other Sciences / Other

created Jan 09, 2008 | popularity 4.3 / 5 (32) | comments 2

You're walking down a busy street, with cars and buses driving past and bits of conversations reaching your ears, when you hear someone call your name. You turn about 60 degrees to your left and look up to ...