Illustration of pink and blue DNA molecules.
Historic Adaptations May Now Make Us Susceptible to Disease
Researchers made the find using an algorithm that purportedly distinguishes between mutations that were selected for and those that came along for the ride by coincidence, a feat that has long eluded scientists.
Historic Adaptations May Now Make Us Susceptible to Disease
Historic Adaptations May Now Make Us Susceptible to Disease

Researchers made the find using an algorithm that purportedly distinguishes between mutations that were selected for and those that came along for the ride by coincidence, a feat that has long eluded scientists.

Researchers made the find using an algorithm that purportedly distinguishes between mutations that were selected for and those that came along for the ride by coincidence, a feat that has long eluded scientists.

metabolism
Adipose tissue under the microscope appearing as red blobs on a white background
Mouse Brains Appear to Eavesdrop on Their Fat
Alejandra Manjarrez | Sep 9, 2022
For the first time, a team visualizes sensory nerves projecting into adipose tissue in mice and finds these neuronal cells may counteract the local effects of the sympathetic nervous system.
ant with wings on white background
Secret to Reproductive Ants’ Longevity Revealed
Patience Asanga | Sep 2, 2022
Researchers say they've figured out how some reproductive ants live up to 30 years—far longer than workers.
Autophagy and Mitophagy in Neurodegeneration: A Deep Dive
Autophagy and Mitophagy in Neurodegeneration: A Deep Dive
The Scientist Creative Services Team and PerkinElmer
Robin Ketteler and Hélène Plun-Favreau discuss the importance of autophagy and mitophagy regulation in neurodegenerative diseases.
Woman with buns and blue sweater chewing gum, smiling, and stretching it out of her mouth.
The Energetic Cost of Chewing May Have Shaped Hominin Evolution
Natalia Mesa | Aug 17, 2022
The simple act of chewing gum can raise the body’s metabolic rate by as much as 15 percent, a study finds.
Newly hatched stinkbugs climbing over a pile of eggs.
Best Bugs: How E. coli Evolves into a Stinkbug Symbiont
Hannah Thomasy | Aug 15, 2022
Experimental evolution study sheds new light on the origin of animal-microbe symbioses and what it takes for bacteria to support their insect hosts.
Staphylococcus aureus bacteria on the skin
The Scientist Speaks - Virulence Meets Metabolism: The Unique Evolution of Staphylococcus aureus
Niki Spahich, PhD
Anthony Richardson discusses what makes Staph especially dangerous for people with diabetes.
fuorescence microscopy of kidney tissue
Artificial Blood Breathes New Life Into Dead Pigs’ Cells
Andy Carstens | Aug 3, 2022
A study’s authors say their oxygenating cocktail may lead to technologies that preserve organs in deceased people for longer periods for transplantation.
Micrograph of a beta cell, where insulin granules are shown as blue small balls, mitochondria are colored green, and a fraction of the cell nucleus appears in purple.
Diabetes Linked to Malnutrition Is Metabolically Unique: Study
Alejandra Manjarrez | Jun 16, 2022
Results from a small sample of Indian males suggest that lean individuals with a history of malnutrition suffer from a distinct type of diabetes characterized by a defect in insulin secretion.
Dogs under blanket together stock photo
A Nose by Any Other Name: Tracking the Scent of Tumor Metabolic Waste
Iris Kulbatski, PhD
The unique odor profiles of tumors can be used to develop diagnostic sensing tools.
Illustration of a Tyrannosaurus rex on a rock on a mountain
Most Dinosaurs Were Warm-Blooded After All
Catherine Offord | May 26, 2022
Endothermy was widespread among both avian and non-avian dinosaurs, a study suggests, so the metabolic strategy is unlikely to account for birds’ survival through the mass extinction event that wiped out their dinosaur cousins.
illustration of inside of human chest with highlighted gland between the lungs
Genetically Altered Mice Harness Benefits of Calorie Restriction  
Sophie Fessl | Feb 11, 2022
A study identifies a gene that appears to be partially responsible for the health effects of a limited diet.
Examine Altered Glycobiology in Cancer
Examining Altered Glycobiology in Cancer
The Scientist Creative Services Team and Vector Laboratories
Changes to protein glycosylation play a major role in dictating cancer progression and prognosis, but could they also present biomarkers or therapeutic targets?
Close-up of wild sea otter (Enhydra lutris) eating shellfish while floating on it's back.
Sea Otters Demonstrate that There Is More to Muscle than Just Movement—It Can Also Bring the Heat
Traver Wright, Melinda Sheffield-Moore, and Randall Davis | Dec 13, 2021
Sea otters are born with a supercharged metabolism that helps them stay warm in chilly waters.
microscope image of methaotrophs with black specks
Deep Sea Microbes Produce Graphite-like Carbon
Chloe Tenn | Nov 11, 2021
The first evidence of biologically produced elemental carbon inspires more questions than answers.  
Christmas background
Helping the Immune System Keep its Cool
Aparna Nathan
Researchers found that lowering the temperature alleviates autoimmunity in mice.
A brown tick is shown from above as it climbs a green blade of grass
Bacterial Symbionts Tell Ticks When to Eat
Abby Olena | Oct 1, 2021
The endosymbiont Coxiella affects tick serotonin production and subsequent blood-feeding behavior, a study finds.
Profile of old man wearing glasses, looking up to the left.
Edmond Fischer, Biochemist and Nobel Laureate, Dies at 101
Lisa Winter | Aug 31, 2021
Fischer was recognized for his work with reversible protein phosphorylation.
Measuring Metabolites to Prevent, Diagnose, and Treat Cancer
Niki Spahich, PhD
Metabolomics research highlights molecules important for cancer prevention, diagnosis, and treatment.
Mouse heart cells that have taken up adipocyte-derived extracellular vesicles (stained red)
Fat Cells Send Mitochondrial Distress Signals to the Heart
Ruth Williams | Aug 20, 2021
Vesicles containing fragments of the organelles released from stressed adipocytes protect the heart against oxygen deprivation, a study in mice shows.