by Salvador Balkus Collectively, scientists conduct a lot of experiments. Whether they study addiction, air pollution, or animal populations, most basic scientific experiments have one thing in common: data. To perform an experiment, scientists first formulate a hypothesis about how something works. Then, they collect data – measurements, sensor information, images, surveys, and the like – that either support their hypothesis or prove it false. … Continue reading How do scientists know whether to trust their results?
The Earth has warmed so much since the 1950s that scientists can detect climate change from literally any day of global weather since 2012.
Continue reading Seeing Climate Change in any Random Day Across the Globe
Electricity is created by electrons flowing through materials. Materials that allow electrons to travel through, like copper wires, are called conductors, whereas materials that inhibit electron flow, like rubber, are called insulators. However, the models behind our understanding have been incomplete. To understand which materials permit electron movement, scientists have investigated the patterns of electron motion in materials. Electrons do not behave like macroscopic objects. … Continue reading Conductors vs. Insulators: A Quantum Perspective