- The fastest speed a falling raindrop can hit you is 18 mph.
- When you throw plastic bags and other plastic materials in the ocean, it kills as many as 1 million sea creatures annually.
- Acacia trees can warn each other of danger.
- Bamboo is the world's fastest growing plant.
- Scientists are now sure that the aurora borealis is caused by solar winds entering the Earth's atmosphere. Its electrons and protons hit particles in the atmosphere that release energy that causes the northern lights.
- You can only see the northern lights at night, usually between 5 pm-2 am, and during the winter Arctic season from late September to early April. However, they can occur at any time of the day and are present for most of the year.
- Australia has pink and purple lakes.
- Rain sometimes takes 10 minutes to reach the rainforest floor.
- Climate change is causing the colors of flowers to change due to the increase in UV radiation.
- Diamonds aren't just transparent. They come in various colors like pink, blue, yellow, red, green, purple, and more. These colors are called fancies. Red is the rarest type of fancies by far.
- King's holly plant or Lomatia Tasmanica may flower but has no fruit or seeds. This strange plant has reproduced for nearly 43,600 years by cloning itself. It drops a branch that becomes its own plant with identical DNA.
- The Arctic Ocean might be the world's smallest oceans, but it is still around 5.4 million square miles (14 million sq km), or 1.5 times as large as the United States.
- The Galápagos Islands are considered a "living laboratory" for scientists, due to the high concentration of unique plants and animals found there.
- Mawsynram in Meghalaya, India is the wettest place on Earth with an annual rainfall of more than 11 meters.
- Gold is the most flexible of all elements. You can beat a grain-sized 1g piece of gold into a thin film covering 1550 square inches.
- Hawaii only has two season, summer and winter, but it also has 8 of the world's 13 climates. On one island there can be warm beaches and snowy mountains at the the same time.
- Icebergs can come in a rainbow of colors, not just white, the most commonly seen in cold oceans. Its color depends on how light interacts with the iceberg and its purity.
- There's a fungus that bleeds.
- There is no defined method to identify sand from other natural materials made of fine particles. That means sugar and salt are also considered sand.
- Kimolos, a Greek island, is the only place where the foam is formed when it rains. The soil comprises of soap-ish clay, something that the citizens utilise as their regular soap too.