Blue whale feces machine, excrete up to 2 tons of feces at a time!
What does this huge blue whale eat in the vast ocean? How much food does its huge body need to maintain its vitality? Surprisingly, blue...
The mystery of frog teeth: the frogs’ secret weapon
In nature, frogs have won people's love for their unique hunting skills and cute appearance. However, have you ever wondered what secrets are hidden in...