TED-Ed
TED-Ed: The rise and fall of the Maya Empire’s most powerful city | Geoffrey E. Braswell
During the 8th century CE, warfare and failing agriculture forced Maya people to move north, to hotter, drier Yucatán. Because of its freshwater access, Chichen Itza became the most powerful Maya city, with nearly 50,000 citizens at its...
Be Smart
Do Other Planets Have Seasons Too?
Earth has seasons, but what about the rest of the planets in the solar system? Let’s take a tour from Mercury to Pluto and see what seasons would be like on all our planetary neighbors. Bring a sweater!
SciShow
First Kisses and Spring!
Hank explores the science behind the first kiss -- and all the kisses that come after it -- and also sets you straight about the vernal equinox, what it is, and why this year's is special!
SciShow
IDTIMWYTIM Equinox Stupid Latin
In this edition of IDTIMWYTIM, Hank explains why the common understanding of "equinox" is wrong, what the equinox actually is, and then rages a little against astronomers and their stupid confusing Latin terms.
MinuteEarth
Why The Shortest Day Of The Year Isn't The Coldest
The way we experience seasons don't necessarily line up with how they're technically defined - here's why.
SciShow
Fun in the Summer Sun… on Saturn
For 13 years, the Cassini probe circled Saturn and sent back fascinating data about the seasons of Saturn as it moved through a 29 Earth year Saturnian year.
Be Smart
The Equinox Isn't What You Think It Is
Is the equinox really when day = night, or is that a myth?
SciShow Kids
Happy Equinox! | Science for Kids
It's spring where Jessi and Squeaks live, and with the spring comes a really cool part of our planet's journey around the sun: the spring equinox!
Curated Video
Exploring Uranus and Neptune
Join SciShow Space as we complete our tour of the Solar System planets with the ice giants, Uranus and Neptune.
Curated Video
The Moon and Spring Tides
How the Moon affects daily tides and drives extreme spring tides, when the Sun and Moon align. Physics - Our Solar System - Learning Points. The Moon creates and controls the tides. Its gravitational pull causes ocean water to bulge...
Curated Video
The seasons
Find out how the tilt of the Earth's axis causes the seasons. Physical processes -The Earth and beyond - Seasons Learning Points The tilt of the Earth's axis causes the seasons. The Earth can be divided into the northern and southern...
Wonderscape
Machu Picchu: City in the Clouds
Explore Machu Picchu, the sacred city of the Inca, nestled 7,900 feet above sea level in the Andes Mountains. Learn about its unique construction, its role as a religious retreat, and the mysteries that continue to surround this ancient...
Curated Video
What is New Year – for Managers and Professionals?
To be absolutely clear, when we talk of New Year, what we mean is: The first day of the year in the Gregorian Calendar. And, because we live in a global economy, almost every country has adopted a calendar promoted by a 16th-century...
Curated Video
Off Kilter
Dr. Forrester discusses the pattern of the four seasons by examining the tilt of the Earth upon its axis and orbit around the sun. She explains the effects of the four seasons on plants, animals, food availability, and daily human life....
Soliloquy
How do we measure the length of a year?
The earth takes one year to orbit the sun but we can measure the length of a year in several ways. If I were to ask (and I do) how would you measure the length of a year? In reference to distant stars? By the time between two closest...
Weatherthings
Balance an egg any day
Can you balance an egg on the equinox? Yes, but it's a myth that implies that that is the only time you can do it. You can balance an egg on any day of the year. It's about practice, patience, and what kind of tabletop you are trying to...
Weatherthings
Balance a broom any day
Can you balance or stand a broom upright on the equinox? Yes, but that's a myth, not because it's wrong, but because it implies that that's the only time you can do it. The reality is you can stand a broom straight up and down on any day...
Visual Learning Systems
Spring: What Causes Spring?
This video explores the features of spring, focusing on the unique habits of plants, animals, and people during this season. Additional concepts and terminology: season, sunlight, warmth, hibernation, migration, revolution, axis, and...
Encyclopaedia Britannica
Demystified: Solstices and an Equinoxes
Learn more about solstices and equinoxes.
Next Animation Studio
German pioneers solar cooking reflectors in Mexico
A German entrepreneur is manufacturing and installing solar deflector stoves for cooking in El Sauz, Mexico.Gregor Schappers adopted the design of Austrian inventor Wolfgang Scheffler for the stoves. An average reflector measures eight...
Next Animation Studio
Secrets of Egypt
A former Egyptian antiquities minister has claimed that a recent image is evidence that the Sphinx was built to align with the equinox.
Weatherthings
Weather Things: Weather Cycles
The orbit of Earth on a tilted axis around the sun leads to the seasons. The resulting change of angle of the sun, and length of day controls how warm we get at different times of the year. With those changes in seasons come changes in...
Next Animation Studio
This year's autumn equinox to take place on Saturday
This year's fall equinox takes place on Saturday, September 22, 9:54 p.m. Eastern time, marking the end of summer, according to the weather channel.
The Wall Street Journal
Imagining New York
If you've spent time in Manhattan parks or theaters, you've likely seen the work of architect and designer David Rockwell. Hear him discuss finding inspiration, creating immersive environments and building with technology.