Curated Video
Hydrogen's First Orbit: Measuring the Radius
The Bohr radius, which represents the radius of hydrogen's first orbit, is a fundamental concept within Bohr's atomic model. According to this model, electrons revolve around the nucleus in quantised orbits with precise and unchanging...
Curated Video
Is Earth's Largest Heat Transfer Really Shutting Down?
With unprecedented heat waves and record-breaking global temperatures, it’s hard to believe that there might be a place on earth that has actually COOLED since the industrial revolution.
Curated Video
Is Permafrost the Climate Tipping Point of No Return?
Arctic air is warming, causing scientists to worry that melting arctic ice and snow could also lead to a sudden permafrost thaw and release of carbon dioxide (CO2) and methane (CH4) that forms a climate tipping point or feedback loop....
Curated Video
These Diseases Love a Warmer World But Which Should We Worry
As our world gets warmer and our climate gets more extreme, the weather isn’t the only thing that’s changing and becoming more dangerous. Disease vectors are also spreading and becoming riskier to humans. In this episode of Weathered, we...
Curated Video
Is This the Real Reason Weather is Getting Wilder?
NOAA’s 2020 Billion-Dollar Weather and Climate Disaster report showed a notable uptick in extremes. In 2021, 10.6% of all-weather stations reported record temperatures. And with the continued emission of carbon into the atmosphere, this...
Astrum
What Are These Phenomena Seen On The Moon?
The NASA Lunar Reconnaissance Orbiter's findings answers some questions about the Moon's unsolved mysteries.
Curated Video
Valence Bond Theory: A Journey into Chemical Bonding
Valence Bond (VB) theory explains how chemical bonds form through the overlap of atomic orbitals, where electron pairs are shared between atoms. The key concepts include: Atomic Orbital Overlap: Bonds form when atomic orbitals from...
Curated Video
VSEPR Theory - lone electron pair influence
Bond Angle Distortion: Lone pairs reduce bond angles between bonding pairs. For example, in a molecule like NH₃ (ammonia), the ideal tetrahedral angle of 109.5° is compressed to around 107° due to the presence of a lone pair on nitrogen....
Curated Video
How was Russia defeated in 11 days? Operation Faustschlag
How was Russia defeated in 11 days? Operation Faustschlag
Curated Video
Battle of Dara, 530 AD (Part 1/2) Rise of Belisarius
Battle of Dara, 530 AD (Part 1/2) Rise of Belisarius
Curated Video
What If Our Clothes Could Disrupt Surveillance Cameras?
What do you get when you combine mass surveillance with A.I.? It’s a dystopia that’s already a reality in places across the world. Fashion designers are pushing back, crafting clothing and accessories that trick facial recognition...
Great Big Story
Eye contact with orcas, a marine biologist's winter adventure
Join marine biologist Andreas Heide on a breathtaking journey among orcas in Norway.
Science ABC
Is The 'Sunken City' Of Atlantis Real?
We do not know for sure if the sunken city of Atlantis is real. The only written record of its existence is from the great philosopher Plato. Even the location of this utopia is a mystery. Many different locations have been proposed as...
Science ABC
How Hurricanes Form? Why Hurricanes Spin AntiClockwise in North and Clockwise in Southern Hemisphere
Hurricanes, cyclones and typhoons are formed due to violent storms that originate over oceans and seas and move towards land, potentially causing extensive damage to both life and property. But there is a very interesting thing related...
Science ABC
Catatumbo Lightning: What Is The Beacon Of Maracaibo?
Beacon of Maracaibo (also called Maracaibo lightning/Catatumbo lightning) refers to the phenomenon of relentless lightning which goes on for nearly 300 days in a calendar year and for over 9 hours in each of those days. This seemingly...
Science ABC
Why Did Korea Split into North Korea and South Korea?
Korea was split into North and South Korea after WWII when Japan surrendered its colonies to the US and Soviets. The US occupied the South, and the Soviets took the North, split along the 38th parallel. This division eventually led to...
Science ABC
Why Are the Tropics Hotter than The Equator?
The hottest parts of the world do not lie on the Equator (as our assumption would suggest) but rather around the tropics, i.e., the areas that lie above and below the Equator. Whats the reason behind this? The answer to this question...
Curated Video
Exploring Salzburg: Music, History, and Architecture
Salzburg, Austria:"We will go to the birthplace of Mozart, one of the most famous and influential classical music composers in the world ... in Salzburg, Austria."
Curated Video
Exploring the Volcanoes and Natural Wonders of Costa Rica
Costa Rica:"We begin our trip in Central America to immerse ourselves in the heat of Costa Rica through its volcanoes, its beaches, and its people, and we will make an extreme hiking tour that lasts approximately 10 hours, to reach the...
Curated Video
Temperate zones
The regions of the Earth in between the Tropic of Cancer and arctic circle in the northern hemisphere, and the Tropic of Capricorn and Antarctica in the south, that have less extreme temperatures than the poles and equatorial regions. A...
Curated Video
Constellations - Night Sky Patterns
Our sky is split into 88 different sections called constellations, which have been recognised and used by humans for centuries. Physics - Our Solar System - Learning Points. Constellations are set patterns of stars, such as Ursa Major....
Curated Video
Migration: Seasons
Wildebeest migrate across the African Serengeti plains in huge numbers in search of rain and fresh pastures. But their journey is fraught with danger. Biology - Ecosystems - Learning Points. African wildebeest annually migrate to stay in...
Curated Video
MRI
MRI machines are now commonly used in hospitals to build amazing images of inside our bodies. Discover how magnets allow them to do this. Physics - Electricity And Circuits - Learning Points. MRI machines use magnets to take images of...