freshwater | scienceinfo.net

Catch the largest stingray in the world
A stingray weighing more than 300 kg has been found in Thailand. It can be said that this is the largest freshwater fish in the world.
101 interesting things about the earth (Last term)
Astronomers already know that in a few billion years, the sun will become so big
The miracle machine uses ambient air to filter the water
FreshWater promises to eliminate the worries of lacking clean water around the world.