Hexa-Bouncer is the latest in a series of'useless but mildly interesting ball bouncing machines.' More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The Hexa-Bouncer has one purpose--and one purpose only. In a world where tech leaders are racing to build autonomous machines that can do almost anything, one hobbyist is going the complete opposite route: an over-engineered robot that does exactly one thing and one thing only. T-Kuhn's Hexa-Bouncer only bounces a ping-pong ball, but looks like it's capable of far more.

The latest designations are located in Alaska all the way to the U.S. Virgin Islands. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. L - R, Sergeants Clarence Beavers, James Kornegay, Ned Bess, Corporal Elijah Wesby and Sergeant Alvin Moon of the United States Army All African American 555th Parachute Infantry Battalion (nicknamed the Triple Nickles because of its numerical designation) aim their M3 .45-caliber These five soldiers were part of the original 17 member selection that succeeded in becoming the first All African American parachute infantry battalion. In early 1945 the battalion were sent to Camp Pendleton in Oregon and assigned to the 9th Services Command, trained by the U.S. Forest Service, and became history's first military airborne firefighting smokejumpers. On October 16, the National Park Service (NPS)announced the latest additions to a growing list of designated World War II Heritage Cities.

Brain activity and verbalization can both affect our pupils. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The subtle changes may help assess linguistic development in children who otherwise are too young too communicate to researchers. Your eyes really can betray your thoughts, but don't get too self-conscious about it. Researchers in Japan believe that the subtle signs our eyeballs make are more useful to neuroscientists than the interrogation room.

The controversial dinosaur species was officially described last year after 80 years of debate. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Almost one year ago, paleontologists finally settled a longstanding debate about, arguably Earth's most famous dinosaur . After reviewing decades of mounting evidence, researchers documented around 150 morphological differences across multiple supposed juvenile skeletons. Instead of young dinosaurs, these were actually adult examples of an entirely separate species now known as .

The iconic marine reptiles are swimming farther to find food--and into harm's way. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The Galapagos Islands are home to at least 11 subspecies of iguanas. Marine biologists are sounding the alarm on behalf of the Galápagos Islands ' marine iguana (). Without tightened regulations on the often abused exotic pet trade, researchers warn that a recent "strange uptick" in illegal animal trafficking combined with this season's Super El Niño is further endangering the already vulnerable reptiles living on the Eastern Pacific archipelago .

WDJ1330+6435 and WDJ0902+2010 are changing our understanding of star colors. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The cool white dwarf WDJ1330+6435 has accreted sodium-rich rocky material from its planetary system into its atmosphere. The immense atmospheric density causes the sodium to absorb light over a broad range of yellow, orange, and red wavelengths, giving the WDJ1330+6435 a ghostly green appearance (left). The cool white dwarf WDJ0902+2010 has a deep convection zone within its helium dominated outer envelope.

Science The'Holy Grail' of baseball cards is up for auction The rare T206 Wagner card could sell for over $3 million on October 25. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. A similar Wagner baseball card auctioned for over $5 million earlier this year. One of history's most famous baseball cards is up for auction, and bidding has already surpassed $1 million with days left to go. Its official name of the 1909-11 T206 White Border Sweet Caporal 150/25 Honus Wagner PSA Authentic (Restored) is quite the mouthful, but Heritage Auction's nickname for the memorabilia is much easier to remember.

Try to solve an exclusive'Popular Science' crossword, then make your own. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Crossword Generator lets users create 13x13 grid puzzles for free. Crossword puzzles range from those easy elementary school-level varieties up to nightmarish labyrinths of text . But crafting even the most simple versions remains its own artform.

The six-wheeled laboratory has traveled over 28 miles and will keep trucking until at least 2028. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. NASA's Perseverance Mars rover took a selfie with the Ingenuity helicopter, seen here about 13 feet (3.9 meters) from the rover in this image taken April 6, 2021, the 46th Martian day, or sol, of the mission. NASA's Perseverance Mars rover has officially traveled 28.10 miles--farther across another planet's surface than any other vehicle in history. Not only that, but the six-wheeled science lab accomplished this impressive feat almost entirely autonomously and in barely a third the time it took the previous recordholder.

Watch new slow-mo video to see these tiny stingers in action. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. A bee stings the back of a patient receiving treatment at the workshop of Sayed al-Sayeh, an apitherapist who originally trained as an agricultural engineer, in a suburb of Giza, Egypt on June 11, 2021. Al-Sayeh offers his traditional medicine treatment free of charge, in principle using bees' sting venom to treat rheumatic pain, nerve inflammation, and arthritis. A honey bee () stings a victim, and the stinger will still pump venom into a wound even after it has fully detached from the bee's body. Thanks to some high-speed video, we may finally know the secrets behind this sting.