According to Paul Kalas of the University of California, Berkeley, and one of the authors of the Science paper, making a direct observation of the distant planet was very challenging.

This will enable direct observation of the origins of materials and biological functions. More information: Satoko Toyama et ...

These results corroborate clearance of amyloid-β deposits after initial treatment of the cortex with direct application of 10D5. Figure 4: Histological analysis of imaged brains from 20-month-old ...