676
Oranges are made up of almost 90% water by weight. This should pretty clearly mean that they are not flammable. However, thanks to a special oil called D-Limonene in their peel, they can spray fire [read more: buff.ly/2JhlEvu]
677
Chimps can be from 3 to 5 times stronger than humans. Why? Studies have found differences in the way muscles are built, but muscle control may be a much more important factor
[learn more: buff.ly/3y0pnqS]
[📹: buff.ly/3f5rcK9]
678
The Mandelbulb is a 3-dimensional fractal that can be constructed as a Mandelbrot set in 4 dimensions using quaternions and bicomplex numbers. This is one spotted in the wild
[source + tutorial by Machina Infinitum: buff.ly/3RQoACG]
679
Young owls sleep face down, mainly due to the weight of their heads. The owlets lie down on their stomachs, turn their heads to the side, and fall asleep
[source: buff.ly/3i68Ic3, buff.ly/3qmFBbk]
[clip: buff.ly/3IpEPk4]
680
Data from scans of a developing embryo show us how our faces don't just grow, but fit together like a puzzle. The development of the human face during gestation [video: buff.ly/2G7GnTI]
681
Part of the watermelon farming operations include keeping them cooled off as they go from harvest to shipment. This farmer took advantage of their buoyancy to both transport them & keep their temperature controlled
[📹 al._khamid: buff.ly/3FuF3IB]
682
The “Dance of the thousand-hand Quanyin” is possibly the most famous and most spectacular visual display in which geometry and synchronization create a kind of effective optical illusion [read more: buff.ly/3EJ3xKr] [video: buff.ly/3Hq61iD]
683
The Star is an extremely rare apple parer and slicer patented by Calvin A. Foster of Fitchburg, Massachusetts on July 11, 1871.
[read more, video: buff.ly/3UAGXwC]
684
This clip captured by Epic Lava on Kilauea volcano, shows lava breaking out from a lava tube, a natural conduit passing beneath the hardened surface
[read more: buff.ly/3s6B12G]
[source, Epic Lava: buff.ly/3swXc0c]
685
«The Black Hole» is an international prize winner short film directed by Olly Williams and Phil Sansom that offers a portrait of temptation and greed from a genuinely sci-fi point of view
[video, HD: buff.ly/3Euc9YF]
686
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]
687
Methane bubbles in lake Baikal freeze in layers one over the other, and their size can grow up to 1.5 meters (5ft). This video by Stanislav Tolstnev shared by Siberian Times shows the beauty of the lake's western shore [read more: buff.ly/31ghy4f]
688
There is a method of growing rhubarb known as "forcing" where the plant grows in complete darkness and is tended to in candlelight. It grows so quickly during this process that you can hear it grow [read more: buff.ly/2IJBfH1]
amp.twimg.com/v/0e203ec4-b29…
689
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]
690
This observation platform on the 94th floor at the John Hancock Center in Chicago moves people forward to a 33° angle for a bird's eye view of the city 300 m below
[read more: buff.ly/2q1esvU]
691
All three extant species of potoroo are threatened by ecological changes since the colonisation of Australia. This is a long-nosed potoroo, showing that their young can eat fruit even from the pouch [source, Cleland Wildlife Park: buff.ly/30ODcN0-]
692
215 years ago #Today, Jean-Baptiste Fourier's memoir "On the Propagation of Heat in Solid Bodies", was read to the Paris Institute: an important mathematical work, containing what we now call Fourier series, which he had worked upon since around 1804 bit.ly/2pc4VE7
693
The dragon moray eel
Nocturnal feeder, it's rarely seen. It grows up to 80 cm in length and has a serpentine shaped body which has quite variable coloring.
[read more: buff.ly/3caP2Hc]
[📹 Jeff Leicher: buff.ly/3c7gmG7]
694
Newton's third law: for every action, there is an equal and opposite reaction
[📹joemyheck: buff.ly/3VaAyHL]
695
Here's a time lapse video of the LEGO version of the James Webb Space Telescope.
[Visit: bit.ly/LEGOJWST]
696
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]
697
From the hand's palm, clockwise:
- Idolomantis diabolica
- Phyllocrania paradoxa
- Deroplatys lobata
- Theopropus cf. elegans
- Aethalochroa insignis
[📷 Wuttikrai K.: buff.ly/3ViEF4A]
698
Pac-Man grossed $1 billion in quarters in its first year of release. In the following year, 1982, it earned $6 billion in quarters, which was more than the combined amount of money spent in Vegas casinos and US movie theaters that year
[read more: buff.ly/3UVkKZ7]
699
Wildlife photographer Roeselien Raimond photographed 64 foxes from the same angle to allow for easy comparisons, and the result reveals the wildly diverse characteristics of such animals [source, read more: buff.ly/3eeMAwB]
700
The burrowing parrots in Patagonia have been spotted working together to jump-start a water pump at a farm to have a drink
[full video: ow.ly/yMDp30oapR5]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links