1176
In 1995, 14 wolves were released in Yellowstone National Park. No one expected the miracle that the wolves would bring
[video, HD: buff.ly/3C69xyG]
[read more: buff.ly/3dETKh3]
1177
Why do we swing our arms when we walk? Because it is the most efficient way to walk. By swinging our right arm with our left leg and our left arm with our right leg we conserve 26% more energy than by other methods (such as hands at our side) [read more: ow.ly/fhyj50Ar8ul]
1178
Every second, the Sun burns 620 million tonnes of hydrogen and turns it into about 616 million tonnes of helium. Amazing power, but it turns out that on a power/volume basis, it produces less power than a compost heap and 1/5 the power of a human body: buff.ly/2K6JFWc
1179
The green vine snake is a slender green tree snake found in India: mildly venomous, it's also quite spectacular in its contorsions & appearance. This is a famous picture on one of them by Suhas Premkumar
[read more: buff.ly/2FpszPX]
[📷 buff.ly/3tF2ia2]
1180
Sulfur hexafluoride (SF₆) is an extremely potent greenhouse gas and its density is much higher than air. It can create an invisible wave that wipes out several lit candles
[read more: buff.ly/2LBEfmX]
[📹 The Science Factory: buff.ly/3dzK8UY]
1181
The most recent advanced.farm robotic apple harvester can pick ~30 apples in one minute
[read more: buff.ly/3DLnLXc]
1182
Palmanova is a town and comune in northeastern Italy. The town is an example of nine-pointed star fort of the late Renaissance, built up by the Venetian Republic in 1593 [read more: buff.ly/2O3NiQs]
1183
With tentacles extended in all directions, the Rhopalonematid jelly Crossota millsae is caught in a very interesting natural pose by the NOAA's ROV Deep Discoverer’s cameras in waters south Puerto Rico at a depth of 1,015 meters [full video: buff.ly/3vNCREt]
1184
A vortex ring is the phenomenon where a quantity of a fluid in a toroid shape, travels through a fluid, while spinning like a circular bracelet that is being rolled off of a person’s arm. And it can also interact with objects [source of the gif: buff.ly/33xVHRT]
1185
Sources of methane in bodies of water are very common. Only lakes are the source of 20% of global natural methane and the bubbles are always flammable
[📹: buff.ly/3CgaIMp-]
1186
A volcanic bomb is a mass of partially molten rock (tephra) larger than 64 mm in Ø, formed when a volcano ejects viscous fragments of lava during an eruption. This one was observed on Cumbre Vieja volcano on Dec 3, 2021
[video: buff.ly/2ZZjiyI-]
1187
Single-shot compressed ultrafast photography at one hundred billion frames per second allow to capture light bouncing in a mirror [full paper: buff.ly/2jl5Goy]
1188
This is a streetcar traveling in New Orleans. Photographer Don Chamblee held the camera against the window sill, making sure to divide the image equally between the inside and the outside, giving us a representation of relativity [source: buff.ly/2KsZh6K]
1189
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]
1190
A bird's eye view of a high-speed train station in China
[📹 buff.ly/3RaKBum]
1191
This is a Gaboon Viper. Since its venom glands are enormous, each bite produces the second-largest quantity of venom of any venomous snake. The clip shows its rectilinear locomotion mode
[📹 Ghostpenguin's Reptile Resort: buff.ly/3fcba53]
1192
A seemingly mundane photograph of a sink full of soapy water draining itself can accidentally turn into an eye watching from the depths of the vortex [read more: buff.ly/UA4QUj]
1193
An explosion of zinc fireworks occurs when a human egg is activated by a sperm enzyme, and the size of these “sparks” is a direct measure of the quality of the egg and its ability to develop into an embryo. In other words, life begins with a flash of light ow.ly/qO4130nsBqc
1194
Bryan Sanders is a magician touring North and South Carolina and surrounding areas. He delivers impressive performances and this one with iPhones is particularly brilliant
[📹 buff.ly/3C3fHib]
[site: magicisbryansanders.com]
1195
A spider's "paw" is called a tarsus, and it's only one of eight parts that make up a rather complicated leg. They also have claws attached to the paws, but legs also work as ears and nose picking up subtle changes in the air to hear and recognize smells buff.ly/2I0WVew
1196
The chills you get listening to a moving piece of music originate in the salience network of the brain. Surprisingly, this remains an island of remembrance spared from the ravages of Alzheimer's disease & may be an opportunity to help people with dementia buff.ly/2HVd08j
1197
This clip shared by Clink's Class, shows a physics experiment producing a synchronized scream. All the students, except the last one standing, sit on desks ungrounded. The first lays a hand on a Van der Graaf Generator
[source: buff.ly/3FZAi7B]
1198
Epitonium scalare is a predatory or ectoparasitic species of marine gastropod with an operculum. Many Epitonium species have shells that are very interesting in their structure. The whorls do not touch, so the shell is held together only by the ribs buff.ly/2KnYPXA
1199
Where symmetry and geometry meet art and nature: how artist James Brunt artworks use leaves organized in elaborate patterns jamesbruntartist.co.uk
1200
Situated in the Chartreuse mountains, southeastern France, la Tour Percée is a unique double arch and at 32 meters is the longest span in the Alps. The existence of this arch was only documented in 2005 [David George, read more: buff.ly/3onDUKn]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links