2401
Foraminifera are single-celled marine organisms with shells made of calcium carbonate. In Bermuda, one particular species, Homotrema rubrum gives beaches a pink tint with its shells
[read more: buff.ly/3cePbWA]
[📹 Hendrick Hartono]
2402
Icelandic black sand is found on beaches near a volcano and consists of tiny fragments of basalt
[read more: buff.ly/3wLzKhQ]
[📹 Lorenz Weisse: buff.ly/3wUa18q]
2403
Paradise flycatchers most telling characteristic is the long tail streamers of the males. This is a male feeding the chicks
[read more: buff.ly/3cL9mPu]
[📹 Kapil Rai: buff.ly/3qbSh4k]
2404
Visualisation of birds migrating across Europe, tracked by GPS by 422south.com
[read more: buff.ly/3w64dqx]
2405
This generative art by TikTok's recursiveidentity shows a fractal-like zoom into an Edward Hopper world, aptly exploded to provide a sort of a cubist trip into multiple dimensions and points of view
[📹 + more videos: buff.ly/3wUd0O9]
2406
This photo is black and white, but that grid tricks your brain into seeing a colour image.
It's called the 'colour assimilation grid illusion'.
[source, read more: buff.ly/2YBCj7q]
2407
The Welbike was a British single-seat motorcycle produced during World War II at the direction of Station IX: it was delivered in air drop canisters [source: buff.ly/3kTEvQG] [read more: buff.ly/2WXhpMp]
2408
Caribou and reindeer can see into the UV spectrum and as fur absorbs UV light, so wolves that appear white to us would look black against the snow to them [read more: buff.ly/2Iwvtob]
2409
See the unseen and explore the world of vibration watching this drum cymbal in motion at 1,000 frames per second [source and full video by Fluke Corporation: buff.ly/2Fk4sqx]
2410
Warka Water structures consist of a bamboo frame supporting a mesh polyester material inside. Through rain and condensation they can collect 100 liters of clean drinking water a day for rural communities in the developing world [read more, full video: buff.ly/3sZ4icH]
2411
An interesting fact about Fibonacci numbers is that you can use them to convert miles to km & viceversa. If you need to convert from km to miles, you need to find the preceding Fibonacci number. Bonus: there are 1.609 km in a mile, almost the Golden ratio ow.ly/VG1v30nghZt
2412
Curiosity doesn't belong to humans only.
This is the moment Shabani the gorilla and his son are entranced by a caterpillar at Higashiyama Zoo, Nagoya, Japan
[Animal curiosity: buff.ly/3Qn4HkQ]
[📹: buff.ly/3wQXgeM]
2413
Body transfer illusion is the illusion of owning a part of a body other than one's own.
This is the famous rubber hand experiment and it tricks your brain.
[read more: buff.ly/3KLe6l1]
[📹 Adley and Story House Media: buff.ly/3cNcfPZ]
2414
This video by Max Woolf and Janelle Shane shows how Google Cloud View interprets the famous duck-rabbit illusion, depending on its orientation
[code: buff.ly/3RdyFsp]
2415
Check out this £2,500 high tech luxury bed from 1959. It is chock full of gadgets and everyday conveniences from the headboard to the foot of the bed, most importantly a space for your cup of tea
[read more, British Pathé: buff.ly/3AKrl0w]
2416
A seagull riding another seagull. What appears to be a very unusual view can find an explanation in the way male seagulls signal they are ready to mate.
[read more: buff.ly/3Q865ri]
[📹: buff.ly/3cIp5it]
2417
The Moon has a comet-like tail and every month it shoots a beam around Earth. This animation by @physicsJ based on simulations by Jody K. Wilson, shows how sodium atoms ejected from the lunar surface are affected by the Moon’s orbit around planet Earth buff.ly/3bvRQvc
2418
Population growth from 10,000 BCE to today
[video by Robert Rohde, HD: buff.ly/3egX55U]
2419
Photographer & filmmaker Ryan Pernofski uses his iPhone to capture the majestic beauty of breaking ocean waves. This video was entirely shot with an iPhone X in an AxisGo housin [full-length HD version: buff.ly/3kzXm4f] ryanpernofski.com
2420
Cownose rays typically swim in groups so that their synchronized wing flaps stir up sediment exposing buried clams and oysters, but this unusual 'spiral' captured by Alex Kydd in 2020 results very rarely observed [source: buff.ly/3HpoOLN]
2421
This gibbon is probably protecting its territory or just toying the tiger cubs, but its hazardous acrobatics and grace are simply stunning
[full video: buff.ly/3TS9T39]
2422
"Confusing perspective"
[📹 Larry Carlson: buff.ly/3qaubXW]
2423
Aeroponics is the process of growing plants in an air or mist environment without the use of soil or an aggregate medium (known as geoponics). These are potatoes being grown in air [read more: buff.ly/2q9Lj0z]
2424
55 years ago #Today, Sweden switched from left-hand to right-hand traffic. This is a picture of Stockholm on that day [read more: bit.ly/2vDCfGU]
2425
20 years ago #Today, a strange object designated J002E3 was discovered. It was in a temporary orbit around the Earth. It turned out to be an Apollo 12 rocket stage launched in 1969 that had returned [read more: buff.ly/2NIA6yu]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links