Buzz
Nature has an uncanny ability to remind us of our smallness in the vast expanse of the universe. As we examine it more closely, we begin to realize that some scientific laws we take for granted can manifest in astonishingly strange ways. It's even more fascinating when these occurrences are caught on camera. Keep reading to discover how water can flow upwards and how frozen lakes can shoot flames into the air.
10. Sea Foam
Sea foam forms when seawater containing a high amount of organic matter is disturbed, often by crashing waves. Typically, this results in a thin layer of foam along the shoreline, but in some instances, the foam can accumulate in such vast quantities that it escapes the water and spills onto the land.
Sea foam can form in large quantities for several reasons, with algal blooms being the most common cause. When vast numbers of autotrophic organisms appear offshore, their decaying matter can create foam as it's stirred up by the surf. In most cases, this foam poses no threat. In fact, sea foam is often a sign of a healthy ocean ecosystem.
However, there are times when excessive sea foam can create driving hazards. Some algal blooms (like the dinoflagellate Karenia brevis) can even release toxins that irritate the eyes and respiratory systems of beachgoers, while leading to mass die-offs of seabirds and other marine life.
9. Dendritic Ice Crystals
Dendrites are crystals that grow in a repetitive pattern, giving them a branching, tree-like shape. In mineralogy, dendritic crystal formations occur when manganese- and iron-rich water flows along fractures and bedding planes in various types of rock. In chemistry, a dendrite refers to any crystal that splits into two parts as it grows.
These fractal-like patterns create the illusion of intricately designed tree branches, and their beauty becomes even more striking when they form in ice, adding an enchanting winter touch to the landscape.
In the case of ice, these patterns are formed when moisture from the surrounding atmosphere condenses almost instantaneously. This leads to a series of repeating formations that persist until environmental conditions change. The growth of dendritic ice crystals mirrors the process of living organisms, as the crystal becomes more intricate with time.
8. Island Cloud Waves
It turns out that islands can create their own waves—in the sky. On the ocean, there is very little to disrupt the wind's path across the water. This means that people on or near the water—such as those in boats—experience stronger winds compared to those on land in a city, where buildings, cars, trees, and other structures obstruct airflow.
When powerful air currents over the open water are interrupted by an island, the air either disperses or flows over the island, much like air traveling over the windshield and roof of a car. This altered air path can generate dramatic cloud waves downwind of where the airflow was disrupted.
In 2009, NASA captured stunning images of this phenomenon in the South Sandwich Islands.
7. Exploding Lakes
Exploding lakes are natural events that happen when large quantities of either CO2 or methane gas accumulate in the water. During these explosive occurrences, the lake’s surface bubbles violently as gas escapes from the depths. This creates a hazardous cloud of gas, which can be deadly to those in the vicinity. This phenomenon remained unknown until 1984 when a lake in Cameroon erupted, releasing a gas cloud that claimed 37 lives. A second eruption occurred in 1986, resulting in the deaths of around 1,700 people.
In this video, you'll witness large amounts of flammable methane gas bubbling up from frozen lakes worldwide. Not only does this reveal the danger of the lake if it thaws, but burning off the methane also releases it into the atmosphere as CO2. While CO2 is another greenhouse gas, methane can trap up to 25 times more heat, which is why scientists are setting these fires as a preventive measure.
6. Asperatus Clouds
Asperatus clouds represent a relatively new cloud classification, first photographed only within the past 30 years. These clouds give the sky the appearance of ocean waves with their continuous, flowing motion. Although they may appear ominous, they typically dissipate without triggering storms. Given their recent discovery, scientists are still uncertain about the exact causes of their formation. Current research is focused on determining the specific weather conditions that lead to the appearance of asperatus clouds.
Asperatus clouds are most commonly found in the Great Plains region of the United States. Also known as undulatus asperatus, these clouds share some similarities with undulatus clouds, though their classification remains uncertain. In 2009, the suggestion was made to categorize asperatus clouds as a new cloud formation. If this proposal succeeds, asperatus clouds will become the first new classification in over 50 years.
5. Ice Shove
An ice shove, sometimes called an ice tsunami, resembles the rapid movement of a glacier, as if viewed in fast motion. These events occur when strong ocean currents or winds cause ice and partially melted ice to accumulate along the water's edge, eventually pushing onto the land.
The mechanism behind an ice shove is similar to that of an iceberg. While ocean currents enable icebergs to move through the water, powerful winds can allow ice to overcome land friction and begin to advance. Witnesses have described the sound of an ice shove as resembling a train, thunder, or the crashing of countless windows. The movement of ice can cause significant damage to nearby homes and trees. In northern regions, such as Canada, ice pileup warnings are often issued alongside flood alerts during the winter season.
4. Blue ‘Lava’
A remarkable phenomenon was recently observed at the Kawah Ijen volcano in Indonesia, where people were astonished to see the lava streaming from the crater glow with an unusual, brilliant blue color.
The blue hue doesn’t originate from the lava itself. Instead, it’s caused by sulfuric gas seeping through cracks in the volcano. When this highly pressurized gas contacts the air, it ignites, and some of the sulfur condenses into a liquid, continuing to burn with an intense blue flame as it cascades down the slopes, resembling lava.
Although rarely discussed, molten sulfur is actually quite common near volcanic fumaroles. Sulfur has a low melting point, so when the temperature around volcanic vents rises high enough, the sulfur melts, and the resulting blue “lava” can be observed in these areas.
3. Asphalt Lakes
Pitch Lake, located in Trinidad, is an extraordinary sight. Discovered in 1595, its tar seepage was quickly recognized for its usefulness, but surprisingly little research has been conducted on the lake and its origins. Some researchers speculate that it is the result of two fault lines converging, pushing oil from deep beneath the Earth’s surface. However, the exact cause remains unclear. Extended exposure to air allows lighter elements of the oil to evaporate, leaving behind the thick asphalt.
La Brea Pitch Lake holds the title of the world’s largest pitch lake, making it a crucial economic asset for Trinidad and Tobago. The asphalt extracted from the lake is used to produce a range of valuable products, including anti-corrosive black paint, insulating materials, seam sealants, underbody coatings for vehicles, and more.
2. Snow Rollers
A snow roller occurs when natural balls or cylinders of snow form on the landscape. This happens when the wind sculpts snow of the perfect consistency, usually in hilly areas. As the wind blows snow along the ground, it collects more snow, forming snow rollers much like how we would create the segments of a snowman. Due to the precise conditions needed, this is an extremely rare phenomenon.
According to the National Weather Service, snow rollers can only form if the snow on the ground is stiff enough to prevent newly fallen snow from sticking. With the right combination of loose snow, strong winds, and open terrain, snow rollers can be created. Additionally, snow falling from trees on steep slopes can also form rollers simply due to gravity.
1. Leidenfrost Effect
Most people are aware that water evaporates when heated. However, those who have ever placed water on a very hot cooking surface may have noticed that, at high enough temperatures, the water forms droplets and takes much longer to evaporate. This occurrence is known as the Leidenfrost effect. Interestingly, it can even cause liquid to defy gravity and move uphill, as demonstrated in the video above, where scientists at the University of Bath creatively use this effect to manipulate water droplets.
When a liquid comes into contact with a surface much hotter than its boiling point, a vapor layer forms around it, insulating the liquid from direct contact with the surface. This prevents the liquid from boiling quickly. Additionally, since steam has poor thermal conductivity, it significantly slows down the heat transfer between the hot surface and the water droplets.
