The Earth's Atmosphere: The Earth's Early Atm...

This episode details the key ingredients in fertilisers: nitrogen, phosphorus, and potassium. It outlines the chemical production of nitrogen-based fertilisers, specifically ammonium nitrate, highlighting its rich nitrogen content due to its dual sources. We explain that phosphat ...  Show more

In this episode, we look at plants and nitrogen.Plants require nitrogen to produce proteins necessary for growth. While the atmosphere is full of nitrogen gas, plants cannot directly utilise this form. Instead, they absorb soluble nitrates from the soil. Crop harvesting depletes ...  Show more

Many people may have asked this question at least once in their lifetime: How did the Earth’s atmosphere form? Let’s start at the beginning. Listen to the podcast to learn about how the Earth's atmosphere formed. For more information about our videos and online trainings, please ...  Show more

When you envision what Earth was like 4.5 billion years ago, shortly after its creation, images of dust-filled air and raging volcanoes tend to come to mind. However, amidst all that chaos, hidden within the rocks and atmosphere, what if water was also present? Traveling back ...

This episode explains the role of carbon dioxide in the environment. It highlights that carbon dioxide is a greenhouse gas and discusses both its natural removal and release. Photosynthesis by plants and algae naturally removes carbon dioxide from the atmosphere while respiration ...  Show more

In today’s episode, you will learn a series of vocabulary words that are connected to a specific topic. This lesson will help you improve your ability to speak English fluently about a specific topic. It will also help you feel more confident in your English abilities.