Sergio Mejia

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Scientists studying starlight can tell you: Our universe is going dark

We know that our universe has already lived through great number of exciting phases. But new research released overnight shows the universe has long passed its peak and is slowly but surely dying.<p>The research was presented at the year’s largest gathering of astronomers at the International …

Black Holes

Pain Really Is All In Your Head. Emotion Controls Intensity

When you whack yourself with a hammer, it feels like the pain is in your thumb. But really it's in your brain.<p>That's because our perception of pain is shaped by brain circuits that are constantly filtering the information coming from our sensory nerves, says David Linden, a professor of …

Scientists Have Figured Out a Way to Convert Solar Energy Into Liquid Fuel

Researchers at Harvard have discovered how to convert solar energy into liquid fuel, potentially accelerating our switch to the alternative-energy …

The Lean Muscle Diet

Ignore the trendy, complex diet plans designed to shrink your wallet and not your gut. To build the body you've always wanted, live like you already have it<p>When men set out to lose weight, they usually start at the wrong place. They pick a popular diet; <i>any</i> diet, it doesn't matter which one. Most …

The pacemaker of the future might be made of heart cells

A new technique uses gene therapy to create "biological pacemakers" in pigs<p>Cardiologists in Los Angeles have developed a gene-therapy technique that allows them to transform working heart-muscle cells into cells that regulate a pigs’ heartbeat. This procedure, described today in the <i>Science</i> …

The technology that lets deaf people hear could also treat hearing damage

When someone’s auditory nerve is damaged, a cochlear implant acts as a substitute for the lack of vital nerve cells. But one day, it turns out, the implants could help those cells regrow. Gary Housley, director of the Translational Neuroscience Facility at the University of New South Wales, has …

Neuroscience

What are gravitational waves?

Gravitational waves are ripples that carry energy across the universe. They were predicted to exist by Albert Einstein in 1916 as a consequence of his General Theory of Relativity. Although there is strong circumstantial evidence for their existence, gravitational waves have not been directly …

What is the second law of thermodynamics?

Endless movement between hot and cold will eventually mean the end of the universe<p>Thermodynamics is the study of heat and energy. At its heart are laws that describe how energy moves around within a system, whether an atom, a hurricane or a black hole. The first law describes how energy cannot be …

The incredible physics of the archerfish, nature's aquatic sniper

Lurking just beneath the surface of estuaries across many parts of Asia are archerfish, natural-born assassins who overcome a shocking number of challenges as they shoot targeted streams of water at nearby insects, knocking them down into the water where they become easy dinner targets. <i>Wired</i> takes …

Is it OK to torture or murder a robot?

We form such strong emotional bonds with machines that people can’t be cruel to them even though they know they are not alive. So should robots have rights?<p>Kate Darling likes to ask you to do terrible things to cute robots. At a workshop she organised this year, Darling asked people to play with a …