Pioneer Park and It's Pioneer

The Pioneer Anomaly and Its Implications

The Pioneer 10/11 spacecraft yielded the most precise navigation in deep space to date. However, their radio-metric tracking data has consistently indicated the presence of a small, anomalous, Doppler frequency drift. The drift is a blue-shift, uniformly changing with a rate of ∼ 6× 10 Hz/s and can be interpreted as a constant sunward acceleration of each particular spacecraft of aP = (8.74±1.3...

Parnham—A Pioneer Venture

A parasite pioneer

The concept that infectious biological agents were responsible for many diseases was controversial in the midnineteenth century. But key experiments by famed scientists such as Louis Pasteur and Robert Koch eventually won over sceptics. However, some other researchers, equally convinced by this notion, and who also carried our convincing experiments in its support at the same time, have failed ...

John Laragh: scientific pioneer.

Although I did not have the privilege of working with John Laragh in the laboratory or in the clinic, his visionary research has inspired me and many others interested in the problem of hypertension. John led the charge that opened up the modern phase of hypertension management in which physicians began to recognize the importance of tailoring therapy to the needs of the individual patient. He ...

Donato D’Angelo – a pioneer☆

of his doctoral thesis presented in 1970, gives an idea to our he beginnings of orthopedics as an academic institution and pecific professional activity in Brazil dates back to approxiately 60 years ago. Before then, patients with clinical problems of the locootor apparatus were treated by surgeons or pediatricians, nd those with problems resulting from trauma by surgeons r curious individuals ...