Brazilian Stonehenge

Brazilian Stonehenge - Currently the site discovered at Amapa, Brazil is considered to have been erected between 3000 B.C. and 1600 B.C., so considerably more recent than Stonehenge. However research believe the sophisticate construction demonstrates a strong understanding of astronomy and was possibly used to help pinpoint the Winter Solstice.

Optical Illusions & Visual Phenomena

66 Optical Illusions & Visual Phenomena provides examples of various opitical illusions and visual phenomena. The illusions are split into categories including motion & time, luminance & contrast, colour, geometric & angle illusions, space / 3d & size constancy, cognitive / gestalt effects, and speciality with faces.

Cosmic collision reveals dark matter

Yet more evidence that the physical world we see and believe we understand is only a portion of what is "out there", scientists believe they have evidence for the theory of dark matter. According to observations, scientists calculate that the Universe is comprised of only 5 percent "normal" matter, the rest is dark matter (25%) and dark energy (70%). According to reports, the collision between two clusters of galaxies actually split dark matter and normal matter, so that their energy signatures can be observed. source: http://www.msnbc.msn.com/id/14453775/

'Mind control' over muscle power

According to a BBC news report, researchers at Hull University have shown that muscle is "over-activated" if concentrated on (ie. via visualisation) while working those muscles. source: http://news.bbc.co.uk/2/low/health/4861268.stm