1901
Peristeria elata, also known as Holy Ghost orchid or dove orchid, has some curious properties: the central part of the flower has a well-defined dove shape and its perfume is similar to beer
[read more: buff.ly/2z4SDCd]
1902
São Martinho do Porto is a village in Portugal with a shell-shape bay surrounded by a white sand beach. They bay formed when a strip of land along the coast was eroded and divided by the Atlantic Ocean [source: buff.ly/3703lbA]
1903
Water plantain (alisma gramineum) has tiny purple-tinted white flowers that are cleistogamous, meaning that they stay closed and self-pollinate when underwater and open when out
[read more: buff.ly/3EiOCKu]
1904
This video was created by @kevinmgill using still images taken by the @CassiniSaturn spacecraft during its flyby of Jupiter and later at Saturn. Shown is Io and Europa over Jupiter's Great Red Spot and then Titan as it passes over Saturn [source, HD: flic.kr/p/2aVJtyV]
1905
How a team of scientists has successfully "reawakened" cells from a 28,000-year-old woolly mammoth. The cells came from an extraordinarily well-preserved woolly mammoth discovered in Siberian permafrost in 2012 and nicknamed "Yuka" ow.ly/IlYU30o7bir
1906
Scuba divers in the Bahamas were exploring a reef when they experienced what it’s like to get ‘pinged’ by a submarine’s sonar. A truly bizarre experience that surely took them by surprise
[source, full video: buff.ly/3h9U2sz]
1907
Bryan Sanders is a magician touring North and South Carolina and surrounding areas. He delivers impressive performances and this one with iPhones is particularly brilliant
[📹 buff.ly/3C3fHib]
[site: magicisbryansanders.com]
1908
Deep brain stimulation uses implanted electrodes & electrical stimulation to treat movement disorders associated with Parkinson’s disease. This 2018 clip shows a retired Royal Marine's experience: buff.ly/3TprGyq
[more: buff.ly/3vzU5rG]
twitter.com/AmazingPosts_/…
1909
This is what happens when you put ferrofluid in a rotating magnetic field: its dynamics creates Hele-Shaw cells and consquent weird shapes [source and full video: buff.ly/2J6UvLF]
1910
Dusky woodswallows roost communally, usually nocturnally. On a cold morning in Queensland's Jimna Ranges, photographer Ken Cross came across a flurry of feathers. On closer inspection, he realised it was a cluster of roosting dusky woodswallows [source: buff.ly/3amuE1Z]
1911
The largest dam removal project in the U.S.: a successs story that brought the ecosystem of Washington's Elwha River to thrive again [source: buff.ly/2pslh93]
1912
Japan uses sprinklers that spray warm underground water to melt the snow on the roads. They can also be used as mist-generatng systems to mitigate particulate matter especially PM 2.5–10
[source, read more: buff.ly/3Pg3KvL]
1913
This LEGO kinetic sculpture was named after Lewis Carroll’s Jabberwocky, which inspird it and was built with Technic angled brick joints [build it yourself: ow.ly/tvZC30nsW0X]
1914
Why does the yolk of an overcooked hard-boiled egg become green? It's because every egg yolk contains iron, which is released when the egg is heated long enough
[read more: ow.ly/riQj30nNwFs]
1915
The Mayan city of Chichen Itza is full of architectural & engineering marvels. But El Castillo does even more: clap your hands at the base of the stairs and the song of a sacred Mayan bird will echo through the air [source: buff.ly/3iHZt2z] [more: buff.ly/2Fsl1wR]
1916
Glasswing butterflies use mostly transparent wings to hide in plain sight. This is how they make their wings transparent: buff.ly/31cIXnT
[source Methona confusa from YT's InsecthausTV: buff.ly/3ECKhij]
1917
In the 1920s newly hired engineers at General Electric would be told, as a joke, to develop a frosted lightbulb. The experienced engineers believed this to be impossible: newly hired Marvin Pipkin got the assignment not realizing it was a joke & succeeded ow.ly/yRr730nXnkp
1918
Honey badgers are rather astonishing problem solving Houdinis. Wildlife conservationist Brian Jones explains as clever Stoffel works diligently to escape any space he’s kept in at the Moholoholo Wildlife Rehabilitation Centre in South Africa [video: buff.ly/30F5NhI]
1919
Black Kite 'Firehawks' are birds that deliberately spread fires in Australia by carrying burning twigs in their beaks and talons and dropping them in other areas in order to start new fires and drive out insects and small animals so they can feed on them buff.ly/3uDzPT2
1920
The incredibly well-preserved, painted ceiling at Egypt’s Temple of Hathor is part of the main temple at the Dendera Complex which was built around 2250 BCE and is regarded as one of the best-preserved temple complexes in Egypt [read more: buff.ly/2HWU5Xi]
1921
This clip shows, with beauty and elegance, two fluid properties:
- Laminar flow: buff.ly/2FvvQCv
- Surface tension: buff.ly/3UBTUp1
[📹 beatwall678: buff.ly/3iJa1Ub]
1922
Leonardo: the skateboarding, slacklining robot. Researchers at Caltech have built a bipedal robot that combines walking with flying to create a new type of locomotion, making it exceptionally nimble and capable of complex movements [learn more: buff.ly/3pw47ar]
1923
This is how the world's largest ship elevator at the Three Gorges Dam, in Yichang City, central China's Hubei Province, works
[read more: buff.ly/3Gca2YW]
[📹 buff.ly/3WFtDaX]
1924
The average dog can count to 5 and understands about 165 words, including signs, signals and gestures. The smartest dogs understand up to 250 words, putting them on par intellectually with 2-and-a-half-year-old humans [read more: buff.ly/2KiJ5rL]
1925
This video shows one of the hundreds of salt lakes in the Siwa Oasis region of Egypt whose quality is you don't need to know how to swim
[why salt makes things float: buff.ly/3nesLbR]
[📹 lokoskales: buff.ly/3dm7eKW]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links