I stumbled across this randomly on YouTube today and had to share. The first 3/4 of the video are a chemistry experiment breakdown of what goes into a glow stick and what each of those ingredients is meant to do. But what makes me LOVE it is that, at the end, all of this coalesces into a fine explanation of the difference between light-absorbing dyes and fluorescent dyes. Come for the glow-stick "how to", stay for the better understanding of how light works and how it influences what you see!
The NASA Osiris-Rex spacecraft "crushed rocks and sent rubble flying as it briefly touched an asteroid, a strong indication that samples were collected for return to Earth, officials said Wednesday," reports AP. More at the OSIRIS-REX Sample Return Mission site: "OSIRIS-REx TAGS Asteroid Bennu." Excerpt: Captured on Oct. 20, 2020 during the OSIRIS-REx mission's Touch-And-Go… READ THE REST
Meet the leaf-nosed snake, a peculiar Madagascan species with a gift for crypsis. Reading about it I found my way to Envenomation by the Malagasy colubrid snake Langaha madagascariensis, which turns out to be "This God Damned Snake Bit Me!" written up as a formal scientific paper. To avoid harming the snake and to prevent… READ THE REST
In Violet magazine, writer Sasha Sagan, author of the must-read For Small Creatures Such As We, is interviewing a series of inspiring and diverse female scientists. First up is evolutionary biologist Dr. Michelle Trautwein, "curator of flies" at the California Academy of Sciences. followed by South African chemist/nanotechnologist Dr. Tebello Nyokong of Rhodes University, and… READ THE REST
Stress is par for the course these days. If you've found meditation helps to quiet those interior voices of doubt, fear and confusion, then you have every reason to continue that practice. But as soothing as meditation can be, it can also serve another purpose: to focus your attention, sharpen your performance and forge you… READ THE REST
When the history of Earth is ultimately told by aliens or time travelers or whoever stumbles across what's left of our planet a millennia from now, these beings will need to understand what a hair tie is and why it was created…because it's guaranteed they find them everywhere during their study. Today, hair ties are… READ THE REST
Ask most Apple Watch users about their biggest beef with the most popular wearable in tech today and many will likely answer with the same beef had by many users of wirelessly charged devices. It just isn't so simple making sure your wireless charger is lined up properly with your device to get a steady,… READ THE REST