Summary:

- Researchers have found that some major earthquake faults in the western United States are overdue for a major quake, meaning they could experience a powerful earthquake soon.
- Scientists have discovered a new type of brain cell called a "rosehip neuron" that has a unique star-shaped structure, which may help us better understand how the human brain works.
- A study found that the COVID-19 pandemic has led to a significant increase in the number of people experiencing mental health issues, highlighting the importance of addressing mental health during global crises.