826
The story of Nigel Richards, the man from New Zealand who memorized every French word in the French scrabble dictionary and won the French Scrabble Championship without speaking any French
[read more: buff.ly/2rK5wi4]
827
#Today in 1843, the theory of quaternions was born when a sudden thought came to William Rowan Hamilton as he was walking with his wife along the Royal Canal in Dublin, Ireland. It was the fundamental formula:
i² = j² = k² = ikj = -1
[read more: buff.ly/3pndnxN]
828
Dinoflagellates are bioluminescent organisms found in the surface layers of the sea, responsible for the sparkling phosphorescence seen at night in disturbed water
[read more: buff.ly/3A92WBp]
[📹 Patrick Coyne: buff.ly/3Aa5Vd0]
829
A study found honeybee venom destroyed 2 types of hard to treat breast cancer cells. Melittin on its own reduced cancer cell growth & can be produced synthetically. One venom concentration killed cancer cells within 1 hour with minimal harm to other cells buff.ly/2YU9IcD
830
Believe it or not, bonsai trees—yes, the delicate miniature shrubs that have been grown in Asia for centuries—can actually yield fruit. And, normal size fruit, actually
[read more: ow.ly/TDyq30nZ5tN]
831
Flowers of passiflora incarnata have five bluish-white petals. They exhibit a white and purple corona, a quite complex structure of fine appendages between the petals and stamens. The large flower is typically arranged in a ring above the petals and sepals buff.ly/2IEfeFe
832
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]
833
The archerfish preys on land-based insects and other small animals by shooting them down with water droplets from their specialized mouths and can hit them up to 3 meters above the water's surface [read more: buff.ly/2pfHojA] [video, BBC: buff.ly/3pqmopH]
834
Valonia ventricosa is one of the largest known unicellular organisms, if not the largest. This means that what you see in the image, a sea-algae that can get to 5 cm in diameter, is actually a single living cell
[read more: buff.ly/3FyTYjt]
835
An example of how AR glasses will manage your physical items. It may be possible to look at your credit card, see your account statement and balance, and even place new orders
[📹 artirilmisgerceklik: buff.ly/3AB6P3O]
836
This baby zebra was born with spots instead of the species’ signature stripes. Wildlife photographer Abdelrahman Hassanein took a video of Tira, who has a genetic condition known as “pseudomelanism,” which causes abnormalities in zebra stripe patterns: buff.ly/2oP6S9M
837
The feet of geckos have a number of specializations. Find out the science behind their amazing capabilities
[read more: bit.ly/2izZJH4]
[📷: buff.ly/3HWSvn9]
838
Fertilization takes place in the fallopian tubes, which connect the ovaries to the uterus. The newly fertilized cell is called zygote: it moves and burrows into the uterus lining
[📹 design_cells, p1: buff.ly/3CaqwyI, p2: buff.ly/3yeReVR]
839
NASA only uses 15 digits of π for calculating interplanetary travel. At 40 digits, you could calculate the circumference of a circle the size of the visible universe with an accuracy that'd fall off by less than the diameter of a single hydrogen atom ow.ly/rhmO30o4k7G
840
San Francisco, Market Street, April 14, 1906: four days before the M7.9 earthquake and fire.
[full video by NASS + process of restoration, upscaling, colorization: buff.ly/3pmvUc5]
841
Fossil coral is a natural stone formed when ancient coral is gradually replaced with agate. Its proper name is agatized coral. The fossilized coral typically appears as small flower-like patterns in the stone [read more: buff.ly/3k7BFHp] [photo: buff.ly/2No3cIw]
842
This is the size of the star Betelgeuse compared to our Solar System size
[source, Captain Chaos: buff.ly/2lGXlMP]
843
Exemplary representation of the Ohm's law
[read more: buff.ly/3PFvoCj]
#SundayFunday
844
In this mesmerizing 6-minute time lapse, a single cell divides seemingly endlessly until what was once a yellow blob has become a wriggling, darting salamander tadpole
[read more: buff.ly/2TR1ttg]
[full video: buff.ly/2GYIaeG]
845
In an experiment, African grey parrots were taught to buy food using tokens. When paired up, without any incentive for sharing, parrots with tokens started to give some to their partners which had no tokens, so that everyone could eat [read more: buff.ly/35E2kTl]
846
Honey is the only food that never expires. The same honey that was buried with the pharaohs in Egypt is still considered ‘edible’ by scientists. The science behind honey’s eternal shelf life [read more: ow.ly/jxZp30nbN8t]
847
Breviceps spend most of the year underground; even when on the surface, they are inconspicuous because of their slow movements and cryptic colouration. They walk rather than hop and are able to burrow rapidly, backwards, into the soil by using their feet bit.ly/2hoHTn5
848
Orbiforms are volumes of constant width made from solid steel, brass, and copper: these shapes have constant diameter no matter their orientation and will roll like spheres between two planes [source, buy: buff.ly/2Q4q4YE] [read more: buff.ly/2qtLCUy]
849
Ayam Cemani is an uncommon and relatively modern breed of chicken from Indonesia. They have a dominant gene that causes hyperpigmentation (Fibromelanosis), making the chicken entirely black; including feathers, beak, meat, bones, and internal organs buff.ly/2GEwTQZ
850
The acraga goa moth caterpillar is also known as crystal or jewell caterpillar. It's covered with gelatinous tubercles protecting it from predators
[read more: buff.ly/3r7HEkM]
[video: buff.ly/3124gsh]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links