Puerto Rican scientists are famous for their study in which of the following sciences

1. Astronomy: Puerto Rican scientists have contributed significantly to the field of astronomy, particularly through their work at the Arecibo Observatory. The observatory has made important discoveries, such as detecting the first binary pulsar and providing evidence for the existence of dark matter.

2. Environmental Science: Puerto Rican scientists have conducted research on the unique ecosystems found on the island, such as the El Yunque National Forest and the bioluminescent bays. Their studies have contributed to a better understanding of biodiversity, conservation, and sustainable practices.

3. Genetics: Puerto Rican scientists have made significant contributions to the field of genetics and molecular biology. For example, Dr. Juan Rosado-González is known for his work on genetic variation in Puerto Rican populations, and Dr. José Cordero has made contributions to the study of birth defects and prenatal genetic testing.

4. Marine Biology: Given its island geography, Puerto Rico has a rich marine ecosystem. Puerto Rican scientists have played a key role in studying and conserving marine biodiversity, as well as researching the impacts of climate change on coral reefs and coastal ecosystems.

5. Pharmaceutical Sciences: Puerto Rican scientists have made notable contributions to the field of pharmaceutical sciences. The island has a strong pharmaceutical industry, and researchers have been involved in the development and testing of new drugs and therapies.

It is important to note that this is not an exhaustive list, and Puerto Rican scientists have made significant contributions to various other fields, including physics, chemistry, neuroscience, and more.

Puerto Rican scientists have made significant contributions in various fields of science. Some areas in which Puerto Rican scientists have excelled include:

1. Astronomy: Astronomy has been an important field of study in Puerto Rico. The Arecibo Observatory, located in Puerto Rico, has been a hub for astronomical research. Scientists like Juan R. Martinez Cruzado and Efraín Morales Rivera have made notable contributions in this field.

2. Genetics: Puerto Rican scientists have conducted groundbreaking research in genetics. Notably, Dr. José F. Cordero has contributed to the understanding of the genetic factors involved in birth defects, while Dr. Carlos Albizu-Campos has made significant advancements in the field of psychogenetics.

3. Marine Biology: With Puerto Rico being an island, marine biology has been a prominent field of research. Scientists such as Ernesto Weil and Carlos D. Toro-Farmer have conducted extensive studies on coral reefs and marine ecosystems in Puerto Rico.

4. Environmental Science: Puerto Rican scientists have also made important contributions in the field of environmental science. Researchers like Carmen Guerrero, who has focused on environmental sustainability and conservation, and Dr. Tomás A. Carlo, who has studied the ecological interactions between plants and animals, have made significant contributions.

5. Nanotechnology: Puerto Rican scientists have been involved in nanotechnology research as well. Scientists like Nelson Cardona-Martínez have made advancements in the synthesis and study of nanomaterials with potential applications in energy storage and conversion.

It is important to note that Puerto Rican scientists have excelled in many more fields beyond the ones mentioned above, and these examples serve to showcase some of the areas in which they have made significant contributions.