By Danna Staaf Photograph by Javier Aznar González de Rueda To see a dugong is to want to hug a dugong, with its round body, gently curved flippers and gigantic smiling face. Along with their manatee cousins, these marine mammals have earned the nickname “sea cows” thanks to their grazing habits, consuming up to …
Enlarge / January 17, 2024, Berlin: In the cell laboratory at the Fertility Center Berlin, an electron microscope is used to fertilize an egg cell. The Alabama Supreme Court on Friday ruled that frozen embryos are “children,” entitled to full personhood rights, and anyone who destroys them could be liable in a wrongful death …
Explore Jessie Donaldson has played the flute for 26 years. One of her favorite pieces to play is “Romance No. 2” by Beethoven, a sweet and stately composition for flute, oboes, bassoons, horns, and violin. But mentally rehearsing the flute part is tricky for the occupational therapist, who lives in Auckland, New Zealand. Jessie …
We may earn revenue from the products available on this page and participate in affiliate programs. Learn more › Earplugs for work mean different things to different people. Here at PopSci, we tend to get preachy about wearing earplugs because when worn correctly, they’re just about 100-percent effective at protecting your ears from damage …
Sequences Construct sequences used in this work are provided in Supplementary Table 1a. Constructs for producing R2 proteins and GFP transgene template RNA will be available from Addgene. Codon-optimized ORFs and other DNA modules were purchased from GenScript. The ZoAl-RTD mutation is DD644-645AA, EN-dead double mutation is D1041A and D1054A, and EN-low mutations are …
Con ecosistemas que van del altiplano andino a las vastas llanuras y la selva amazónica, Colombia—enclavada en la confluencia de Centroamérica y Sudamérica—alberga casi el 10 por ciento de la biodiversidad del planeta. Entre sus especies emblemáticas figuran docenas del género Espeletia: plantas de aspecto juguetón, comúnmente llamadas frailejones. Sus rosetas de suculentas hojas …
The James Webb Space Telescope (JWST) has found a galaxy in the early universe that’s so massive, it shouldn’t exist, posing a “significant challenge” to the standard model of cosmology, according to the study authors. The galaxy, called ZF-UDS-7329, contains more stars than the Milky Way, despite having formed only 800 million years into …
As part of NASA’s CLPS (Commercial Lunar Payload Services) initiative and Artemis campaign, Intuitive Machines is targeting no earlier than 5:49 p.m. EST Thursday, Feb. 22, to land their Odysseus lunar lander near Malapert A in the South Pole region of the Moon. Live landing coverage will air on NASA+, NASA Television, the NASA …
Let’s calculate displacement using some real-world examples. Example 1: Constant Velocity If an object has constant velocity, you can use the velocity formula to calculate displacement. For example, f a car has an average velocity of 25 miles per hour (40 kilometers per hour) and travels for 15 minutes, what is its displacement? To …
“In simple language, it means that without these black holes, our galaxy as we know it wouldn’t be what it is today. In fact, all galaxies would be very different without their supermassive black holes. In fact, it may even be possible that all galaxies form around these supermassive black holes,” ANU PhD student …