Scientists: We Should Focus on Fitness Over Weight Loss for Obesity-Related Health Conditions
The prevalence of obesity around the world has tripled over the past 40 years, and, along with that rise, dieting and attempts to lose weight…
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Coral Reef Cover, Biodiversity, and Fish Catches Have Declined by Half Since the 1950s
Coral reefs around the world are under threat because of climate change, overfishing, pollution, and more. Now, researchers reporting in the journal One Earth today (September…
Researchers Engineer a Mini CRISPR Genetic Editing System That Could Be Easier To Deliver Into Cells
A compact and efficient CRISPR-Cas system, named CasMINI, could be broadly useful for cell-engineering and gene-therapy applications because it is easier to deliver into cells….
Researchers Are Toilet-Training Cows – Here’s Why
On a farm where cows freely relieve themselves as they graze, the accumulation and spread of waste often contaminates local soil and waterways. This can…
Squishy White Blood Cells Quickly Morph To Become Highly Stiff and Viscous in Response to Threats
Like a well-trained soldier, a white blood cell uses specialized abilities to identify and ultimately destroy dangerous intruders, including creating a protrusion to effectively reach…
Animals “Shapeshifting” in Response to Warming Climate
Climate change is not only a human problem; animals have to adapt to it as well. Some “warm-blooded” animals are shapeshifting and getting larger beaks,…
Female Hummingbirds Look As Flashy as Males To Avoid Harassment
Much like in human society, female hummingbirds have taken it into their own hands to avoid harassment. By watching white-necked Jacobin hummingbirds in Panama, researchers…
Origin of Life: The First Cells Might Have Used Temperature To Divide
A simple mechanism could underlie the growth and self-replication of protocells—putative ancestors of modern living cells—suggests a study publishing today (September 3, 2021) in Biophysical…
Reconstructing Extinct Rhinos: Geneticists Map the Rhinoceros Family Tree
There’s been an age-old question going back to Darwin’s time about the relationships among the world’s five living rhinoceros species. One reason answers have been…
Slow but Deadly: Watch This Tortoise Hunt a Baby Bird
A predator doesn’t need to have the quickest speed or reflexes to catch a bird. In a paper publishing August 23 in the journal Current Biology,…
More Emissions Expected From Oil Refineries in the Near-Term Future
A global inventory has revealed that CO2 emissions from oil refineries were 1.3 Gigatonnes (Gt) in 2018 and could be as large as 16.5 Gt…
Rattlesnake Rattles Use Acoustic Trick To Fool Human Ears
Rattlesnakes increase their rattling rate as potential threats approach, and this abrupt switch to a high-frequency mode makes listeners, including humans, think they’re closer than…
Human Brain Organoids Grown in Lab With “Eyes” That Respond to Light
Human induced pluripotent stem cells (iPSCs) can be used to generate brain organoids containing an eye structure called the optic cup, according to a study…
Philippine Negrito People Have the Highest Level of Ancient Denisovan DNA in the World
Researchers have known from several lines of evidence that the ancient hominins known as the Denisovans interbred with modern humans in the distant past. Now…
When Testing Einstein’s Theory of General Relativity, Small Modeling Errors Can Add Up Fast
Small modeling errors may accumulate faster than previously expected when physicists combine multiple gravitational wave events (such as colliding black holes) to test Albert Einstein’s…
Japanese Scientists Tried Mailing Freeze-Dried Mouse Sperm on a Postcard – Here’s What They Discovered
Scientists no longer have to worry about their bottles of mouse sperm breaking in transit. Researchers in Japan have developed a way to freeze dry…
Man’s New Best Friend: What Cats Can Teach Us About the Human Genome and Our Genetic “Dark Matter”
Although cats have lived alongside humans for millennia, it remains a dogs’ world. This bias has historically bled into science as well. It’s time for…
Meeting Paris Agreement Global Climate Targets Will Lead to 8 Million More Energy Jobs Worldwide by 2050
Researchers created a global dataset of job footprints in 50 countries and used a model to investigate how trying to meet the Paris Agreement global…
