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Science
“#Archaeologists use tooth enamel protein to show sex of human remains” Adjunct Associate Professor Glendon Parker with postdoctoral researchers Noreen Karim (left) and Tammy Buonasera (right) examine samples in the lab in September 2019. Parker’s lab developed a new method based on tooth enamel protein used to estimate the biological sex of 55 skeletons recovered…
“#Global hunt to detect collisions in space” Credit: CC0 Public Domain The results of a long-term observation campaign to detect the collision of compact objects in the universe has been announced by a global collaboration including The University of Western Australia. The collaboration allowed researchers to perform a targeted search for the sources of gravitational…
“#A new idea on how Earth’s outer shell first broke into tectonic plates” Figure 1. A snapshot of a model from the new work, showing the late stages of growth and coalescence of a new global fracture network. Fractures are in black / shadow, and colors show stresses (pink color denotes tensile stress, blue color…
“#Lizards’ immune systems are not only for fighting germs, but also for regrowing severed tails” Credit: Thomas Lozito The human immune system has been getting a bad rap lately. However, the lizard immune system is finally receiving its due credit for enabling lizards to regrow severed tails. In a recent study in the Journal of…
“#Dangerous pesticide use: What must be done to protect the health of Kenyans” Credit: Pixabay/CC0 Public Domain In Kenya, there are new reports highlighting concerns over harmful pesticides used in food production, and the impact this will have on people’s health. Moina Spooner from The Conversation Africa asked Ibrahim Macharia to shed light on Kenya’s…
“#Self-emitted surface corrugations in dynamic fracture of silicon single crystal” Dynamic crack front behavior in steady-state (110) cleavage of the single crystalline silicon samples under pure bending. (A) Morphologies of the (110) cleavage plane (xy plane) of the as-sawn samples at different steady-state crack propagation speeds vs. The crack propagates along the [110] direction (x…
“#Cell death in porpoises caused by environmental pollutants” Cell death and risk assessment of finless porpoise fibroblasts by exposure to environmental pollutants. Credit: American Chemical Society A recent study just published in Environmental Science & Technology identified the toxicological risks of environmental pollutants to finless porpoises (Neophocaena asiaeorientalis). Manmade chemicals synthesized for human activities threaten…
“#Plato was right: Earth is made, on average, of cubes” Credit: Pixabay/CC0 Public Domain Plato, the Greek philosopher who lived in the 5th century B.C.E., believed that the universe was made of five types of matter: earth, air, fire, water, and cosmos. Each was described with a particular geometry, a platonic shape. For earth, that…
“#Why COVID-19 might not change our cities as much as we expect” Credit: Brian S/Shutterstock What will be the normal way of urban living when the COVID-19 crisis passes? What aspects will remain with us and what will disappear? The coronavirus pandemic has thrust us into a moment of rapid change. Like all change, it…
“#Science fiction explores the interconnectedness revealed by the coronavirus pandemic” Faced with events that transcend borders, science fiction novels contend with interconnectedness around and beyond Earth. Credit: Shutterstock In the early days of the coronavirus outbreak, a theory widely shared on social media suggested that a science fiction text, Dean Koontz’s 1981 science fiction novel,…