Which animal has the most teeth in the world?

What is the oldest species living in Hong Kong?

Why do king penguins have runny noses and sneeze all the time?

Compared to the Caribbean Sea, do the Hong Kong waters have more or less species of stony corals?

How to tell the gender of an oyster?

How do dolphins quench their thirst?

How many hearts and brains does an octopus have?

Is plastic waste currently the primary threat to marine ecosystems ?

Why do ducklings swim in a line?

Why are green sea turtles named 'green' when their shells are actually brown in color?