Archive: Mar 2019

by Lorena Lyon figures by Lorena Lyon If you’ve ever backed down from an argument with a popular kid, you might relate to a male spotted hyena. Spotted hyenas are highly social animals, forming large groups called clans, which range from 6 to over 100…

How a clock measures time and how you perceive it are quite different. As we grow older, it can often feel like time goes by faster and faster. This speeding up of subjective time with age is well documented by psychologists, but there is no consensus on…

Pressure is felt as the force exerted on bodies when they are submerged in a material; you’ve felt it as you dive to the bottom of the pool and when you uncork a bottle. Recently, scientists have measured the pressure within a proton, a particle that…

Far below the ocean’s surface, millions of tiny particles fall through the water like a scene from a snow globe. But this isn’t anything like normal snow; this is “marine snow,” debris from tiny dead organisms like plankton and algae that floats down to…

by Jordan Wilkerson figures by Aparna Nathan Every morning when I wake up, I take a swig of water and swallow a blue pill. I don’t have an illness that the drug is treating. In fact, I’m quite healthy. I take the pill to keep from getting ill. Referred…

by Emily Kerr figures by Abagail Burrus The Sun emits enough power onto Earth each second to satisfy the entire human energy demand for over two hours. Given that it is readily available and renewable, solar power is an attractive source of energy.…

Time: 7:00-9:00 p.m., Wednesday, March 27th Location: Pfizer Hall at Harvard University, 12 Oxford Street, Cambridge (link to directions) Speakers: Emily Kerr Graphics: Aparna Nathan How do you know that your light will definitely turn on within seconds…

By 2071, nearly half of the 204 fresh water basins in the United States may not be able to meet the monthly water demand. These model projections, recently published in the journal Earth’s Future, are just one preliminary component of the upcoming…

Archaeologists learn about ancient humans by excavating and analyzing historical artifacts. While the use of tools was once thought to be a uniquely human trait, this is far from the case; many terrestrial animals, including chimpanzees, macaque monkeys,…

by Valentina Lagomarsino figures by Sean Wilson Nearly four months ago, Chinese researcher He Jiankui announced that he had edited the genes of twin babies with CRISPR. CRISPR, also known as CRISPR/Cas9, can be thought of as “genetic scissors” that can…