1576
Suction is a fundamental function for the diet of a whale shark, but this one is even able to suck fish out of hole in a fishing net [source, full video: buff.ly/2Iq14sy]
1577
In case Mercator projections have ruined your perception of continents' scales, this is the true size of Africa
[source, read more: buff.ly/2ka1WGz]
[hi-res: buff.ly/34kE0uP]
1578
This article was published on April 18, 1963, in the News-Journal, a newspaper out of Mansfield, Ohio which tells us the concept of a cellphone existed long before you held one in your hand
[read more: buff.ly/3wH1Olg]
1579
Cuttlefish and cephalopoda in general are authentic masters of disguise: they can change appearance and shape in seconds bit.ly/2vx5Npg [source of the gif: buff.ly/30uul2z]
1580
A baby shark.
Egg cases surround the eggs of oviparous sharks. They are made of collagen protein strands: described as feeling rough and leathery, they are translucent, allowing to see embryos inside
[📹 NOAA Ocean Exploration: buff.ly/3FkNdlg]
1581
This is called 'shimmering'. Giant bees produce these waves as a defensive mechanism, repelling wasps & hornets that get too close to the nests.
[read more: buff.ly/3i7TlFW]
[full video: buff.ly/3kuSQ6X]
1582
The beautiful rocket ballet that is the “Korolev Cross”
[source, read more: buff.ly/32CiJIf]
1583
Have you ever wondered how music was typed before computers? With music typewriters
[read more: buff.ly/3B7bj1O]
[📹 pbuttner, illustrating a rare 1953 music typewriter: buff.ly/3KqkVIb]
1584
Socotra is considered the jewel of biodiversity in the Arabian Sea. a 1990 UN survey counted nearly 700 endemic species, found nowhere else on earth
[read more: buff.ly/3BqRMJI]
[📹 buff.ly/3Yg1h8n]
twitter.com/Hana721107/sta…
1585
Easter Island's moai are possibly the world’s most famous sculptures, but their household name is actually a misnomer, as each figure also has a hidden body
[read more: buff.ly/2HODwiB]
1586
Parahawking is an activity that combines paragliding with falconry. Birds of prey are trained to fly with paragliders, guiding them to thermals. This is a black vulture
[read more: buff.ly/2FFNIGy]
[📹 Uru_Fly: buff.ly/3UiJgTD]
1587
Wildlife photographer Will Burrard-Lucas captured this rare black leopard at night with strategically placed remote cameras in Laikipia County, Kenya [source, blog of the author: buff.ly/3kFLBYC] [author's site: willbl.com]
1588
Artist Greg Edwards uses Mental Canvas to push the boundaries of space and time, taking us on a graphic, immersive journey through the infinite, zooming space of his fantastical imagination [author's Instagram account: buff.ly/3xzayvT]
1589
Samanea saman, is a species of flowering tree in the pea family. It usually reaches a height of 15–25 m (49–82 ft) and a diameter of 30 m (98 ft). This is located in Alae Cemetery, Wainaku, Hawaii
[source, alexjbauer: buff.ly/3Uyezeb]
1590
Paranyu Pithayarungsarit is a photographer whose shots won a long series of international awards. Here, a large red sand dune in Namib desert during sunset splits the landscape between darkness and light [other pictures by the author: 500px.com/tontoxin]
1591
Does lightning strike from the sky down, or the ground up? The answer is both. Cloud-to-ground lightning comes from the sky down, but the part you see comes from the ground up
[read more: buff.ly/2Lgst0O]
[📹 Taylor Vonfeldt]
1592
Artist Darian Mederos' attention to detail and pursuit of perfection lead to magnificent, hyperrealistic masterpieces, like in this portrait made of circles, where a zoom reveals how details make the work of art
[author's IG : buff.ly/2yJK2F1]
1593
You may have noticed that:
13 x 13 = 169 and 31 x 31 = 961
which makes the two operations true even if read in reverse.
But this is not the only case.
buff.ly/2G6Pkga
1594
The HZ-1 Aerocycle, was a one-man "personal helicopter" developed by de Lackner Helicopters in the mid-1950s. It was expected to become a standard reconnaissance machine with the US Army, but the project was abandoned after two crashes
[video: buff.ly/3fyBu67]
1595
The koala has one of the smallest brains in proportion to body weight of any mammal, weighing only 19.2 g. Because of this, they have a limited ability to perform complex behaviours. When presented with plucked leaves, they don't recognize them as food ow.ly/9pFB30o02Xo
1596
This is what you obtain if you take a long exposure photo of bugs under a streetlamp
[source, by Charlie McCarthy: ow.ly/Lok330nAtJU]
1597
This clip showing a bonobo playing with her baby granddaughter tells us that, despite there aren't normally grandparents around when an animal is born, there are notable exceptions
[read more: buff.ly/2J1nPHm]
[source: buff.ly/3F8FpRO]
1598
The Rolling Stones debuted their iconic Tattoo You album in 1981. In 2021, BostonDynamics issued their peculiar 40th celebration featuring the robot star Spot in a “Spot me up” version of ‘Start Me Up’ from Tattoo You 2021 [video: buff.ly/3mnKCPt-]
1599
A Gauss rifle, is a type of mass driver consisting of one or more coils used as electromagnets in the configuration of a linear motor that accelerate a ferromagnetic or conducting projectile to high velocity. This is how YT channel Magnetic Games made it: buff.ly/3qfQ3zt
1600
«Comparative tests on a human and a chimpanzee infant of approximately the same age» is a film from 1932 featuring silent black and white footage of Withrop Kellogg's study. This is the famous scene of the tickling
[video: buff.ly/3KmeCVW]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links