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A theory of reality beyond Einstein's universe is taking shape - and a mysterious cosmic signal could soon fill in the blanks

"Interactive climbs are now possible for the first time in the history of alpinism. Experience the most famous routes of the world in a 360° view. Please use a smart phone or a tablet of the latest generation or an up-to-date browser for a perfect 360° experience."

Britain could face widespread power blackouts and be left without critical communication signals for long periods of time, after the earth is hit by a once-in-a-generation "space storm", Nasa has warned.

A small change to the theory of gravity implies that our universe inherited its arrow of time from the black hole in which it was born.

Researchers have cracked the long-time mystery of how sex is determined in birds: A dose-dependent effect of a single gene on one of the sex chromosomes does the trick, according to a study published this week in Nature.

Exquisite measurements of the radiation left over from the big bang led us to believe that we could work out the curvature of the universe to within a few per cent. In doing so, we have determined how much energy the universe contains and that most of it is in an exotic form called dark energy, which is driving the expansion of space. However, recent discoveries have left me wondering if these claims were premature. As we learn more about dark energy and its effect on the expansion of space and time, we find that dark energy and the shape, or geometry, of the universe are worryingly intertwined.

If the core of a massive star provides this rest mass energy, it can generate several hundred times the energy of a thermonuclear supernova. The core collapse of a massive star is associated in current theory will all but one type of supernova.

The spacetime symmetries we discussed in the previous post can be expanded to include three discrete symmetries: parity, charge conjugation, and time-reversal. It turns out (rather surprisingly) that physics chooses not to obey these symmetries, and this act of rebellion allowed the universe to develop interesting things like galaxies and life.

A stuffed teddy bear that appears as if it?s inhaling and exhaling was designed by researchers to comfort fussy babies in the crib, but it seems to work even better for their mothers, a new study reveals. According to the mothers? estimates of crying time, babies who spent five months snuggling with ?Breathing Bear? did not cry any less than infants who shared their crib with a regular stuffed bear, say Evelyn B. Thoman, Ph.D., and Claire Novosad, Ph.D., of the University of Connecticut. But mothers of the Breathing Bear babies reported less depression and stress and described their infants as less fussy and difficult.

Exposure to even a dim night-time light may cause physical changes in the brain linked to depression, according to an Ohio State University hamster study.

Journal of yet another unhappily unemployed scientist who has taken up writing while biding her time - this one is an ornitologist living in New York.

Free, research level articles in a variety of scientific fields. When one remembers that research journals often go for hundreds of dollars per year in hardcopy form, a resource like this is appreciated even more, in this time of widespread long term unemployment in the pure and applied sciences.

Some scenarios with Lorentz Invariance Violation (LIV) motivated by quantum gravity do predict an energy dependence in the travel time of photons.

Quantum foam - grainy bumps in the fabric of space-time - might explain why light from a distant galaxy arrived four minutes later than expected, offering

Suspending a life in time is a theme that normally finds itself in the pages of science fiction, but now such ideas have become a reality in the annals of science.

John Markoff reports on the impending end of Moore's Law. It's a well-written story, but it's one that could have been told--and has been--many times before.