Topical Science—September 2021


The back-to-school season is upon us, and it’s time to get inspired. We’ve collated another month of fun topical science content that hopefully inspires a great start to the new school year.

Clic aquí para ver el blog en Español

Saturday, September 4

National Wildlife Day

First founded in 2005 to honor wildlife conservationist Steve Irwin—famously known as the “Crocodile Hunter”— National Wildlife Day brings attention to the world’s endangered animals and celebrates animal sanctuaries for their preservation efforts. Today, why not learn about Global Positioning Systems (GPS), used to track the movements of wild animals in Namibia, Africa? Learn more.

Tuesday, September 7

International Day of Clean Air for Blue Skies

This day, facilitated by the United Nations Environment Programme, aims to raise awareness of the importance of clean air and encourage actions to improve global air quality. Watch this video and learn why our sky is blue: Watch now.

Thursday, September 16

International Day for the Preservation of the Ozone Layer

The ozone layer is a vital part of Earth’s atmosphere, absorbing almost all of the Sun’s ultraviolet light. In the 1980s, scientists discovered that a deep hole had developed in this protective layer, attacked by harmful greenhouse gases used to make products such as hairspray. 

This UN day commemorates the signing of an agreement between 197 countries to minimize the use of ozone-depleting substances. Learn more about the ozone layer:



Saturday, September 18

International Coastal Cleanup Day

International Coastal Cleanup Day is a global movement that encourages people to remove trash from their beaches and waterways. Since the event’s conception 30 years ago, over 100 million volunteers across the globe have contributed to the cleanup of more than 300 million pounds of trash. On this day, take the opportunity to teach your students more about keeping Earth tidy: Learn more.

Wednesday, September 22

World Rhino Day

There are five species of rhinos and, fun fact, their horns are made of keratin, a protein that also forms the basis of human hair and fingernails. World Rhino Day celebrates rhinos and aims to bring international awareness to how critically endangered they are. Today, why not learn about ecotourism ventures in Namibia? Learn more.

Monday, September 27

World Tourism Day

World Tourism Day brings awareness to the myriad benefits that international tourism has societally, economically, and politically—from bringing cultures together to having a global contribution to GDP of 2.9 trillion US dollars in 2019 alone. Today, why not learn about Butler’s Tourism Model? Learn more.

Wednesday, September 29

World Heart Day

Heart disease is one of the world’s leading causes of death—tragically, however, up to 80 percent of cardiovascular deaths could be avoided. World Heart Day aims to bring attention to cardiovascular diseases and educate people on the factors that can increase the risk of developing such a disease, such as tobacco use and unhealthy diets. Learn more about the heart: 

Wednesday, September 29

International Day of Awareness of Food Loss and Waste

Did you know that an estimated one-third of all food produced goes to waste? Designated by the United Nations General Assembly, this day aims to generate awareness of this problem and makes a call to action for both public and private businesses to increase efforts to reduce food waste. Today, let’s watch a video about the cities implementing innovative policies to reduce food waste: Watch now.

Thursday, September 30

International Podcast Day



First celebrated in 2014, International Podcast Day highlights the power of podcasts and gives an opportunity for podcasters, and podcast enthusiasts, to connect with one another. Today, why not listen to Twig’s podcast: Twig Education On..? Listen here.

Thursday, September 30

World Maritime Day


World Maritime Day celebrates the seafarers of the world and brings attention to the importance of the shipping industry, which accounts for the transport of around 80% of international trade. Did you know that shipping is one of the oldest industries in the world, with a history that dates back thousands of years? Today, why not learn how sailors in the 18th century first mapped the sea? Learn more.

Clic aquí para ver el blog en Español

Get the latest news from Twig Education.

Free webinars and professional learning straight to your inbox.

Ciencia de actualidad—Abril 2021


¡Bienvenido/a a otro mes de ciencia divertida! Tanto si estás enseñando en el aula o en línea, estos videos te ayudarán a hacer tu clase de ciencias más actual y divertida. Vamos a ello.

Click here to see the blog in English

Jueves, 1 de Abril

Mes que inicia el relámpago de Catatumbo en Venezuela

Este mes comienza a verse el Relámpago del Catatumbo, un fenómeno atmosférico único que dura hasta Noviembre cada año y atrae a turistas de todo el mundo. Posee el mayor promedio mundial de relámpagos por kilómetro cuadrado al año: 250 relámpagos por km² al año. En este mes, ¿por qué no aprender más sobre cómo se forman los truenos y relámpagos? Clic aquí.

Domingo, 4 de Abril

Día de los Geólogos

Este día se estableció en 1966 y celebra el trabajo de los geólogos. Los geólogos son científicos que estudian los procesos naturales que dan forma a nuestro mundo, por ejemplo, las formaciones rocosas y cómo se crean. Una de las formaciones terrestres más famosas del mundo es el Gran Cañón. Descubre cómo se creó el Gran Cañón con este video: Clic aquí.

Lunes, 5 de Abril

Semana Nacional de la Vida Salvaje

Celebrada desde 1938, la Semana Nacional de la Vida Salvaje es un programa educativo anual que conecta y educa a los conservacionistas de todas las edades. El objetivo del movimiento es enseñar a las personas cómo podemos proteger la vida salvaje y sus hábitats. Una forma sencilla de colaborar es ayudando a limpiar los espacios al aire libre, por ejemplo, limpiar la playa. Aprende más sobre contaminación terrestre.

Miércoles, 7 de Abril

Día Mundial de la Salud

El Día Mundial de la Salud es un día mundial de conciación patrocinado por la Organización Mundial de la Salud. Cada año, el día se centra en un tema de salud específico, con el objetivo de mejorar la salud de las personas en todo el mundo. Un aspecto importante de la salud es la alimentación. Aprende más sobre cómo obtener una dieta equilibrada en este video: Clic aquí.

Miércoles, 14 de Abril

Día Nacional del Delfín

Este día tiene como objetivo educar a las personas sobre los delfines, sus hábitats y su importancia para la salud del océano. También anima a las personas a descubrir qué pueden hacer para proteger a los delfines. Los delfines son criaturas asombrosas que tienen una forma muy especial de comunicarse entre sí: ¡la ecolocalización! Aprende más.

Jueves, 22 de Abril

Día Internacional de la Madre Tierra

Establecido por la ONU en 2009, este día promueve “una visión de la Tierra como la entidad que sustenta a todos los seres vivos que se encuentran en la naturaleza”. En otras palabras, nos anima a aprender cómo todo en la Tierra, incluídos los humanos, dependemos de la salud del planeta y su biodiversidad. Pero, ¿qué es la biodiversidad? Aprende más.

Sábado, 24 de Abril

Semana de la Inmunización Mundial

Este evento de la Organización Mundial de la Salud promueve la importancia de las vacunas para proteger a las personas de las enfermedades en todo el mundo. Cada año se salvan millones de vidas gracias a la inmunización y muchas enfermedades, como la poliomielitis, se han erradicado casi por completo gracias a las vacunas. Clic aquí.

Domingo, 25 de Abril

Día Nacional del ADN

En este día de 1953, Rosalind Franklin, James Watson, Francis Crick y Maurice Wilkins publicaron sus innovadores artículos sobre la estructura de doble hélice del ADN. Para celebrar, este día anima a las personas a aprender más sobre el ADN. Obtén más información con este video: Clic aquí.

Lunes, 26 de Abril

Día de la Escala Richter

Este día se celebra el nacimiento de Charles F. Richter, un sismólogo estadounidense que inventó la escala de Richter. Hoy en día, la escala de Richter se utiliza en todo el mundo para medir la fuerza de los terremotos. Pero, ¿por qué es importante medir los terremotos? Descubre más: Clic aquí.

Martes, 27 de Abril

En este día muere el astrónomo Guillermo Haro

El 27 abril de 1998 muere el mexicano Guillermo Haro, destacado astrónomo mexicano que descubrió un cometa y varias estrellas; y que en 1963 recibió el Premio Nacional de Ciencias de México. En este día, ¿por qué no aprender más sobre cometas con un video impresionante? Clic aquí.

Click here to see the blog in English

Topical Science—April 2021


Welcome to another month of fun science! Whether you’re teaching from home or in the classroom, these videos will help you make science class more topical and fun. Let’s jump right in.

Clic aquí para ver el blog en Español

Sunday, April 4

Geologists Day

This day was established in 1966 and celebrates the work of geologists. Geologists are scientists who study the natural processes that shape our world—for example, rock formations and how these are created. One of the world’s most famous land formations is the Grand Canyon. Discover how the Grand Canyon was created in this video:

Monday, April 5

National Wildlife Week

Celebrated since 1938, National Wildlife Week is an annual education program that connects and educates conservationists of all ages. The aim of the movement is to teach people how we can protect wildlife and wildlife habitats. One simple thing you can do to help is cleaning up outdoor spaces—for example, doing a beach cleanup. Learn more.

Wednesday, April 7

World Health Day

World Health Day is a global awareness day sponsored by the World Health Organization. Each year, the day focuses on a specific health topic, with the aim to improve the health of people all around the world. One important aspect of health is what you eat. Learn more about what constitutes a balanced diet in this video: Watch now.

International Beaver Day

In North America, the beaver population has drastically diminished over the last centuries. As a result, a lot of wetlands have disappeared, causing problems such as water pollution and flooding. By protecting beavers and letting them build their dams, those problems could be avoided, which is the aim of this day. Learn more about how beavers build dams: Watch now.

Monday, April 12

International Day of Human Space Flight

On April 12, 1961, Yuri Gagarin became the first human to travel into outer space. In 2011, on the 50th anniversary of Gagarin’s journey, the UN proclaimed April 12 the International Day of Human Space Flight. The day celebrates all the humans who have ever traveled into space and the important research they have done. On this day, why not find out more about astronauts’ lives in space? For example, how do they exercise?  Watch now.

Wednesday, April 14

National Dolphin Day

This day aims to educate people about dolphins, their habitats, and their importance to the health of the ocean. It also encourages people to find out what they can do to protect dolphins. Dolphins are amazing creatures who have a very special way of communicating with each other—echolocation! Learn more.

Thursday, April 22

International Mother Earth Day

Established by the UN in 2009, this day promotes “a view of the Earth as the entity that sustains all living things found in nature.” In other words, it encourages us to learn about how everything on the Earth, including us humans, relies on the health of the planet and its biodiversity. But what is biodiversity? 

Saturday, April 24

World Immunization Week

This World Health Organization event promotes the importance of vaccines to protect people around the world from diseases. Every year, millions of lives are saved because of immunization, and many diseases, such as polio, have been almost completely eradicated thanks to vaccines.

Sunday, April 25

National DNA Day

On this day in 1953, Rosalind Franklin, James Watson, Francis Crick, and Maurice Wilkins published their groundbreaking papers on the double-helix structure of DNA. To celebrate, this day encourages people to learn more about DNA. You can find out more in this video: 

Monday, April 26

Richter Scale Day

This day celebrates the birth of Charles F. Richter, an American seismologist who invented the Richter scale. Today, the Richter scale is used worldwide to measure the strength of earthquakes. But how does the scale work? Find out more:  

Clic aquí para ver el blog en Español