Because mountain lions usually wander the wilderness alone, scent scraping sometimes isn’t enough to locate each other for mating. A female mountain lion will ascend to a high elevation and call to a male by caterwauling, a loud blood-curdling, screeching cry that can be heard up to 5 miles away.
/r/educationalgifs
One way beekeepers replace queen bees is by buying new ones that come in a custom made queen cage. A sugar plug keeps the queen in the cage until the worker bees have decided to make her the new leader. Once that happens they eat her out releasing her.
/r/educationalgifs
Using geometry to create a bigger box
/r/educationalgifs
A woodpecker's tongue wraps around its skull
/r/educationalgifs
Respiratory Pathogen emission dynamics - a study of COVID-19 transmission by sneezing and coughing
/r/educationalgifs
This doctor demonstrates COVID-19 medical procedures with fruits. Chinese surgeon Wang Yexiao films “fruit operations” to popularize medical knowledge.
/r/educationalgifs
Wavelength of light changed after being dipped in liquid nitrogen which results in different colour visible to the naked eye
/r/educationalgifs
Wilson's storm petrels, named after the father of American ornithology Alexander Wilson, don’t actually walk on water, but they aim themselves into the wind, hover over an area, and slowly advance while touching their feet to the water’s surface in a kind of bouncing dance as they search for food.
/r/educationalgifs
This antique safe
/r/educationalgifs
Devil rays jump out of the water to get rid of parasites, find mates, communicate and socialize according to some scientists. When they gather, the sound of splashing can be perceived miles away, attracting more rays. All nine species of mobula rays are known to leap in such acrobatic displays.
/r/educationalgifs
Spread of the bubonic plague, 1346-1351
/r/educationalgifs
The octopus stinkhorn, or devil's fingers, is a non-poisonous fungus found all over the world. The starfish-shaped fruiting body emerges vertically and spreads out, making the gleba accessible to insects which facilitate the distribution of spores. Mature stinkhorns smell like rotting flesh.
/r/educationalgifs
[X-post from r/HardcoreNature] T4 Phage attacking E.coli
/r/educationalgifs
MRI monitoring movements of the mouth and throat when speaking. Seen here is the coordination between lips, tongue, soft palate, larynx and throat to align both speech and closing & opening of the airway for breathing.
/r/educationalgifs
Piraputangas are freshwater fish native to South America that mainly feed on fruits and seeds, and they will even saltate out of the water to pluck or knock down low hanging fruit. These fish have been studied for frugivore seed dispersal and its impact on the ecological health of riparian forests.
/r/educationalgifs
Mother polar bears nurse their cubs for as long as 30 months. Some cubs stop nursing as young as 18 months of age, but remain with their mothers for survival until they are 30 months old. The average fat content of polar bear milk is 33%, similar to the milkfat content of other marine mammals.
/r/educationalgifs
Diving under Antarctic ice
/r/educationalgifs
Parts of a brake system and how they work (better resolution)
/r/educationalgifs
Red-throated Caracaras use an aerial-diving attack strategy to knock wasp nests down to the forest floor, while skillfully evading most stings.
/r/educationalgifs
Rufous elephant shrews are native to the dry savannas of eastern Africa. The shrews spend as much as half their waking hours maintaining tidy trails to navigate through their territory and find food. Remarkably, they do not sleep with their eyes closed and only sleep for 1 or 2 minutes at a time.
/r/educationalgifs
Bandsaw hitting a nail
/r/educationalgifs
Silicone Coloring Process
/r/educationalgifs
The red fire millipede originates from the forests of southern Africa and it mainly eats dead leaves and rotting wood. One subspecies is found in Madagascar where black lemurs have learned to use the insect's toxins (without harming them!) as a form of narcotic and as a natural mosquito repellent.
/r/educationalgifs
How ammo is made
/r/educationalgifs
Swift and Silent
/r/educationalgifs
Social Distancing Simulation
/r/educationalgifs
Black lemurs are native to the forests of northwestern Madagascar. They primarily eat fruit, but they also have developed a habit of mildly biting into toxic millipedes whose glandular secretions cause the lemurs to get high and salivate alot. When applied to their fur, the toxins wards off insects.
/r/educationalgifs
So valuable; so simple
/r/educationalgifs
I never even thought about a birds ear... ((°々°)
/r/educationalgifs