Eric Walker added Physics - Uncertainty over First Stars to Stars and Calcium
Eric Walker added Knocked off balance - LMU Munich to Calcium and Inflammation and autoimmune and inflammatory disorders
Eric Walker added Scientists Just Solved a Mystery of How Gallstones Form | Discover Magazine to a number of topics
Eric Walker added a number of links to Calcium, and added Calcium to Chemical elements
Eric Walker added a number of topics and We found a new type of stellar explosion that could explain a 13-billion-year-old mystery of the Milky Way's elements and Is It Time to Upend the Periodic Table? - The New York Times to Chemical elements, and added Chemical elements to Chemistry and Atoms, molecules, chemicals, minerals, materials and compounds