Sean Murray

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Every American war summed up in one sentence

America has fought in a lot of wars so it can be hard to keep track of all of them. As a quick reference guide, here is every American war, each captured in a single tidy sentence.

I Asked Atheists How They Find Meaning In A Purposeless Universe

If there's no afterlife or reason for the universe, how do you make your life matter? Warning: The last answer may break your heart.<p>"The way I find meaning is the way that most people find meaning, even religious ones, which is to get pleasure and significance from your job, from your loved ones, …

Faith

NASA Confirms Liquid Lake on Saturn Moon

PASADENA, Calif. -- NASA scientists have concluded that at least one of the large lakes observed on Saturn's moon Titan contains liquid hydrocarbons, …

New Letters Added to the Genetic Alphabet

Scientists hope that new genetic letters, created in the lab, will endow DNA with new powers.<p>DNA stores our genetic code in an elegant double helix. …

Born this way? Society, sexuality and the search for the 'gay gene'

Over the past decade the idea that we are “born this way” — or that our sexuality is genetic — has become increasingly important. The mantra has become a political strategy, in particular for gay and lesbian communities, who see it as a way to protect themselves from discrimination. The movement …

LGBTQI

Brains of Introverts Reveal Why They Prefer Being Alone

Human faces may hold more meaning for socially outgoing individuals than for their more introverted counterparts, a new study suggests.<p>The results …

Psychology

Oldest Human DNA Reveals Mysterious Branch of Humanity

The oldest known human DNA found yet reveals human evolution was even more confusing than thought, researchers say.<p>The DNA, which dates back some …

Why China won’t listen to Western scientists about genetically modifying the human embryo

Lindau, Germany<p>We’ve avoided a nightmare before, so surely we can do it again. That’s what scientists hope for with the technology that may soon allow the genetic modification of human embryos.<p>In March, a group of US scientists requested scientists around the world to not genetically modify human …

Genetics

Single-celled plankton evolves tiny, human-like eye

The eye is so complex that researchers originally thought it had come from an animal that the plankton had eaten<p>A single-celled marine plankton has evolved a miniature version of an eye to help see its prey better, researchers believe.<p>The tiny creature, which can only be seen under a microscope, it …