#daniel hammer

Daniel Hammer of Lusby has hit a milestone. The pilot has given free demonstration airplane rides to more than 100 young people as he participates in the Experimental Aircraft Association’s Young Eagles program. The program aims to introduce a new generation of young people to the world of flight. Mr. Hammer is one of more than 50,000 volunteers across the world who donate their time and aircraft…

Penn Engineers: Bone Marrow Transplant Stem Cells Can ‘Swim’ Upstream

When a cancer patient receives a bone marrow transplant, time is of the essence. Healthy stem cells, which can restart the production of blood cells and immune system components after a patient’s own are compromised, need to make their way from the circulatory system into the bones as quickly as possible. To do that, they must find the spots where blood vessels and bone are in close contact.

Rese…