Youlan Li As a teenager, one common issue almost certainly expect to encounter is acne. Over 85% of teenagers experience this skin...

Jiaqi Lin Paraquat, which only gives one time to regret and no time to live again, is a toxic chemical widely used as a herbicide to kill...

In our body, neurons are big guys who lived in it. And there are roughly 14 billion neuron cells. Even though there are various shapes of...