It turns out that butterflies with eyelike spots evolved to scare off predators. A recent study concluded that about 68% of the birds that were shown an image with eye-mimicking spots, flew away or showed signs of being startled such as chirping a warning call as they flew in for food (within a controlled setting). That’s on par with the 57% showing the same reactions to the owl with open eyes, the research team notes. The full study can be analyzed in the link below:

Source: http://rspb.royalsocietypublishing.org/content/282/1806/20150202 ...

According to a new study, it's your voice that is to blame if your joke ever falls flat. Researchers recorded men and women telling corny one-liners and then manipulated the pitches of their voices. Artificially lowered voices made the speakers sound more dominant; higher pitched voices made them sound less so. Volunteer listeners then rated each joke’s funniness. Female listeners laughed or groaned regardless of the comic’s voice pitch, but for men it depended on how burly and dominant they were. Guys with bigger biceps and higher self-rated attractiveness were more likely to prefer lower-pitched jokes than less dominant listeners, and vice versa, according to a study in press in Evolution and Human Behavior. The researchers suggest humor ...

The creature you see above is a spider that can actually surf on top of waves and hunt for a wide variety of animals including not only insects but also fish and toads. Dubbed the Dolomedes briangreenei, this species of spider floats on top of water and senses vibrations below to detect potential prey. The spider can even submerge itself underwater for up to an hour to hunt down prey, which makes it doubly frightening for any creatures caught in its path. The largest animals that the spider has been known to eat are cane toads, which can measure up to nine inches in length. For comparison, the D. briangreenei is about the size of a human palm. ...

Isn't it strange, two FDA-approved drugs - topical ruxolitinib or tofacitinib - can reawaken dormant hair follicles! According to the study, within 3 weeks, mice that received topical ruxolitinib or tofacitinib had regrown nearly all their hair (right photo; drug was applied only to the right side of the mouse). Little to no hair growth occurred in control mice during the same timeframe (left photo). According to researchers at Columbia University Medical Center, inhibiting a family of enzymes inside hair follicles that are suspended in a resting state restores hair growth.

These drugs, known as JAK inhibitors have been approved to treat blood diseases (ruxolitinib) and the other for rheumatoid arthritis (tofacitinib). Both are being tested ...

According to a new study published in the journal PLOS One, it was found that identical twins are equally attractive to mosquitoes than fraternal - or non-identical - twins. This correlation lead researchers to conclude that mosquitoes might be making preferential choices based on differences in our DNA.

What causes this preferences? While it may be nice to believe that that mosquitoes are attracted to "sweeter blood", it's not true at all. Female mosquitoes - the ones that bite, in order to get protein necessary for egg development - are actually drawn to us by chemical signals related to body odour. ...

Taken from a range of just 17 000 km, these images were snapped during the spacecraft's closest approach to Pluto, from its flyby of the dwarf planet in July this year. They document an 80-kilometre strip of the planet's surface, offering an intimate perspective of its cratered, mountainous and glacial terrains. The photos scan from Pluto's jagged horizon about 800 kilometres north-west of the informally named Sputnik Planum, across the al-Idrisi mountains, over the shoreline of Sputnik, and across its icy plains.



Source: http://www.abc.net.au/news/2015-12-05/new-pluto-close-ups-to-help-nasa-piece-together-planets-history/7004516 ...

The periodic table has been given four new elements, changing one of science’s most fundamental pieces of knowledge. Elements 113, 115, 117 and 118 will now be added to the table’s seventh row and make it complete, after they were verified by the International Union of Pure and Applied Chemistry on December 30th. The new elements were discovered by team from Japan, Russia and the USA, who will all get to name their own new elements.

All of the four new admissions are man-made. The super-heavy elements are created by shoving lighter nuclei into each other and are found in the radioactive decay - which only exists for a tiny fraction of a second before they decay into other elements.

The elements have been worked on since at least 2004, when st ...