Honey bee colonies around the world are at risk from a variety of threats, including pesticides, diseases, poor nutrition and habitat loss. Recent research suggests that one threat stands well above the others: a parasitic ...
Plants & Animals
Jan 14, 2019
3
3037
A 30 million year-old fossil whale may not be the heaviest animal of all time after all, according to a new analysis by paleontologists at UC Davis and the Smithsonian Institution. The new analysis puts Perucetus colossus ...
Plants & Animals
Feb 29, 2024
0
405
Fatty acids are the molecular building blocks that form the lipids essential for life. While some lipids form cell membranes, others are present naturally as triglycerides in body fat and the waxes on our hair and skin.
Biochemistry
Jul 7, 2023
1
592
Grizzly bears in the Greater Yellowstone Ecosystem have been able to gain the body fat they need for hibernation even as population densities have increased and as climate change and human impacts have changed the availability ...
Plants & Animals
Jun 6, 2023
0
18
A recent study of the gut microbiome of Alaskan brown bears (Ursus arctos) shows that the microbial life in bears' guts allows them to achieve comparable size and fat stores while eating widely different diets. The work sheds ...
Plants & Animals
Sep 22, 2022
0
131
As humans, we know that an active lifestyle gives us some control over our form. When we hit the pavement, track our steps, and head to the gym, we can maintain muscle development and reduce body fat. Our physical activity ...
Plants & Animals
Sep 16, 2022
0
139
Ruby-throated hummingbirds use the same energy-conserving strategy to survive overnight fasts and build the fat stores they need to fuel long migrations, shows a study published in eLife.
Plants & Animals
Dec 14, 2021
0
47
The evolutionary origin of endothermy (the ability to maintain a warm body and higher energy levels than reptiles), currently believed to have originated separately in birds and mammals, could have occurred nearly 300 million ...
Evolution
Dec 13, 2021
0
7411
In the fruit fly Drosophila, a hormone helps to balance rest and activity. This is shown by a new study of a research team led by the University of Würzburg. Might humans have a hormone with comparable function?
Plants & Animals
Jul 29, 2021
0
278
Without enough sugar in their diets, bumblebee queens can experience difficulty reproducing and shorter lifespans.
Ecology
Feb 27, 2020
0
318
