Video Experimental Relacionado
Updated: Oct 2, 2025

09:55
Bridging the Technology Divide in the COVID-19 Era: Using Virtual Outreach to Expose Middle and High School Students to Imaging Technology
Published on: September 28, 2022
1.8K
Biden obtiene panes y elogios por dividir las principales posiciones científicas
Resumen
Francis Collins servirá como el nuevo asesor científico, mientras que Alondra Nelson dirigirá la Oficina de Ciencia y Tecnología de la Casa Blanca. Este cambio de liderazgo impacta la política científica y la innovación de los Estados Unidos.
Área de la Ciencia:
- Las políticas científicas
- Administración del Estado
- Biotecnología
Sus antecedentes:
- La Oficina de Política de Ciencia y Tecnología de la Casa Blanca (OSTP) desempeña un papel crucial en el asesoramiento del Presidente en asuntos de ciencia y tecnología.
- Los recientes nombramientos de dirigentes indican un renovado enfoque en el avance científico y su integración en la política nacional.
Videos de Conceptos Relacionados
Psychology as a Science
2.6K
Psychology, as a scientific discipline, aims to understand the mind and behavior through rigorous and systematic methods. The foundation of psychological research is evidence-based, relying heavily on the scientific method to derive and validate knowledge. This structured approach ensures that findings are reliable, valid, and applicable to broader contexts.
The scientific method in psychology involves six critical steps: making observations, formulating hypotheses, conducting tests, analyzing...
The scientific method in psychology involves six critical steps: making observations, formulating hypotheses, conducting tests, analyzing...
2.6K
Chemical Signaling in the Endocrine System
4.1K
A signaling cascade is a series of events that facilitates the transmission of information within or between cells, culminating in a targeted response in the recipient cell. As chemical messengers, hormones are pivotal in initiating and modulating these intricate signaling cascades based on their solubility.
Lipid-soluble hormones, such as steroid hormones, demonstrate an intracellular action. These hormones traverse cell membranes due to their lipid nature. Once inside the target cell, they...
Lipid-soluble hormones, such as steroid hormones, demonstrate an intracellular action. These hormones traverse cell membranes due to their lipid nature. Once inside the target cell, they...
4.1K
Regulation of Nuclear Protein Sorting
2.5K
Nuclear protein sorting regulates nucleus composition and gene expression, crucial for determining the fate of a eukaryotic cell. Hence, the entry and exit of molecules across the nuclear envelope is a tightly controlled process. Nuclear protein sorting can be inhibited by one of the following ways: 1) masking cargo signal sequences, 2) modifying the nuclear receptor's affinity for cargo, 3) controlling the nuclear pore size, 4) retaining the cargo during its transit to the cytosol or the...
2.5K
The Scientific Method
250.7K
The scientific method is a detailed, empirical problem-solving process used by biologists and other scientists. This iterative approach involves formulating a question based on observation, developing a testable potential explanation for the observation (called a hypothesis), making and testing predictions based on the hypothesis, and using the findings to create new hypotheses and predictions.
Generally, predictions are tested using carefully-designed experiments. Based on the outcome of these...
Generally, predictions are tested using carefully-designed experiments. Based on the outcome of these...
250.7K
What is Conservation Biology?
18.8K
Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.
18.8K
The Fossil Record
26.1K
The fossil record documents only a small fraction of all organisms that have ever inhabited Earth. Fossilization is a rare process, and most organisms never become fossils. Moreover, the fossil record only exhibits fossils that have been discovered. Nevertheless, sedimentary rock fossils of long-lived, abundant, hard-bodied organisms dominate the fossil record. These fossils offer valuable information, such as an organism's physical form, behavior, and age. Studying the fossil record helps...
26.1K

