601
In Shimabara, Japan the street's gutters are so clean to be home to hundreds of swimming koi fish
The unusual habitat is a product of the 1792 Unzen tsunami that created fresh water springs
[read more: buff.ly/37ZdDqQ]
[📹buff.ly/3iM1ccl]
602
This mildly terrifying CT scan was made by Scott Echols capturing tiny blood vessels in the head of a pigeon, created by a special ‘contrast agent’ to highlight the microvasculatory system
[read more: buff.ly/2to3oJN]
603
This video shows how a musket worked in the XVII-XVIII century, and how and armor of the time could stop its lead ammunition, saving the life of its bearer
[source, donjuandaustria: buff.ly/3PdtAjS]
604
Polaris, aka North Star, is a very faint celestial object in the sky, but is indeed a triple star system whose biggest component is 5.4 times the solar mass (M☉). It's s 4000 times brighter than our Sun and it's located 433 light years away
[read more: buff.ly/3odtlrG]
605
Striped Indian mackerels open their cavernous mouths as they swim, sieving zooplankton with gill rakers like a net. This picture by Alex Mustard is possibly one of the most explanatory of this behavior
[source: buff.ly/2RHCJaw]
606
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…
607
The diamond squid can grow to 100 cm in mantle length with a maximum weight of 30 kg. This remarkable picture was taken by Steven Kovacs in Blackwater dive off Palm Beach, Florida
[read more: ow.ly/t4lK30o4HDS]
[📷ow.ly/baFU30o4HE9]
608
On February 11th, 2021, the moon again passed between DSCOVR and the Earth. EPIC snapped these images over a period of about 3 hours. In this set, the far side of the Moon passes by
[source, more videos: go.nasa.gov/3eDp90X]
609
Fun fact: 69 is the only natural number whose square (4761) and cube (328509) use every decimal digit from 0–9 exactly once
[source: buff.ly/3Fh21S7]
610
Though this octopus is sleeping, its skin is wide awake. Does the color display mean that it's dreaming? There isn't yet enough evidence to say for sure if they dream the way that people do, but it's pretty impressive
[read more: ow.ly/jeMX30o4mPm]
611
Gripping workpieces just as a chameleon's tongue grips insects – that is the operating principle of the adaptive shape gripper DHEF. The adaptive shape gripper grips energy-efficiently and reliably when combined with a pneumatic drive
[full video: buff.ly/3aX2dGA]
612
Leopard slugs mate in the most beautifully bizarre way
[read more: buff.ly/3BoteRC]
[full video: buff.ly/3BpyIf2]
613
Aliens? Unknown mysterious sea creatures?
They're just upside-down dried out Aloe Ferox (or Cape Aloe) leaves which the sea washed ashore, captured by photographer Jan Vorster on the Stilbaai shore, South Africa
[read more: buff.ly/3FHD5EK]
614
Khoisan are indigenous peoples of Southern Africa. Their languages have a prevalence of click consonants as phonemes. Some languages have up to 48 click consonants
[read more: buff.ly/3BktEs7]
[📹 Arina Travels: buff.ly/3FeWnQl]
615
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]
616
It never gets old. This gif, created by Clay Bavor, puts the 747 and SR-71 aircraft speeds into perspective compared to @NewHorizons2015. 36,000 mph ~ 58,000 km/h was the speed reached at launch (Atlas V third stage cut off)
[read more: ow.ly/2g2U30o3uFp]
617
Born #Today in 1815, Ada Lovelace was mathematician and writer, chiefly known for her work on Charles Babbage's proposed mechanical general-purpose computer. She is often regarded as the first computer programmer
[read more: buff.ly/2Pop1Do]
618
Endemic to the Namib desert, Welwitschia mirabilis is a plant that can live up to 1,000 years. Some individuals may be more than 2,000 years old. It grows only two foliage leaves reaching lengths up to 4 m
[read more: buff.ly/3Iu4mt1]
[photos: buff.ly/33Eg1GO]
619
TerraLiving is a bio-architecture inspired design lab in Malaysia that creates customizable terrariums which showcase moss in a small living ecosystem suitable for everyone's desktop
[read more: theterraliving.com]
620
The dead leaf mantis is a predator, but also prey to many other predators. To scare them off, this mantis can assume a 'deimatic display', using its wings and its front legs to create the illusion of a toothed mouth
[read more: buff.ly/3fhQ4zk]
621
The stunning optical illusions by prof. Kokichi Sugihara
[video: buff.ly/2UzhxAB]
[read more: buff.ly/2HthCRt]
622
For the past decade, Simon Beck has been decorating the Alps with his stunning mathematical drawings, created by running in snowshoes across freshly laid snow
[read more: ow.ly/3bU930outWj]
[video by Golem13: buff.ly/3tluTV8]
twitter.com/Noobie003/stat…
623
LEGO machine for making domino runs. Each 'domino' is a stack of 5 1x3 LEGO bricks.
[📹 JK Brickworks: buff.ly/3hkt4ns]
624
This incredible compilation of seamless metal engineering by the Beijing Jingdiao Group will give you an idea of what a very tight mechanical tolerance looks like
[video: buff.ly/3HkrNHT]
625
This technique to fold shirts in few seconds seems to find a secret topology hidden inside clothes
[source: buff.ly/3iR7pDL]