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The face of a young woman and the face of an old man surrounded by mechanical clocks.
Daily Gene Expression Rhythms Vary with Sex and Age: Study
By studying tissues from deceased people, a team found that women have more rhythmical gene expression and that this molecular rhythmicity decreases with age.
Daily Gene Expression Rhythms Vary with Sex and Age: Study
Daily Gene Expression Rhythms Vary with Sex and Age: Study

By studying tissues from deceased people, a team found that women have more rhythmical gene expression and that this molecular rhythmicity decreases with age.

By studying tissues from deceased people, a team found that women have more rhythmical gene expression and that this molecular rhythmicity decreases with age.

fatty acids
three black mice lined up next to each other. the one on the left, fed a low-fat diet, has one small bald patch, the middle mouse, fed fish oil, has a large bald spot across its shoulders and back, and the right mouse, fed cocoa butter, has no baldness.
Fish Oil in Diet Can Cause Hair Loss in Mice, Study Finds
Katherine Irving | Jan 19, 2023 | 3 min read
The oil’s omega-3 fatty acids accumulate in the mice’s skin, triggering an immune response that causes hair loss.
Turkey, mashed potatoes, stuffing, pumpkin pie and sides on a table
The Smell of Food Affects Metabolism in Fasting Mice
Shafaq Zia | Nov 18, 2022 | 3 min read
The odor prompted the animals’ fat cells to release lipids into circulation.
an&nbsp;<em>Aedes aegypti&nbsp;</em>mosquito, black with white dots and stripes on its joints and body, sitting on a person&#39;s skin and feeding.&nbsp;
Smelly Skin Compounds Draw Mosquitoes to Some People More than Others
Katherine Irving | Oct 19, 2022 | 3 min read
People with more carboxylic acids in their body odor are more attractive to mosquitoes, a study finds.
Melissa Vos discusses how lipids’ good intentions become harmful in Parkinson’s Disease
The Scientist Speaks - Lipids Predict a Slippery Path Towards Parkinson’s Disease
Nele Haelterman, PhD | Dec 14, 2021 | 1 min read
Melissa Vos discusses how lipids’ good intentions become harmful in Parkinson’s Disease.
Lipid Droplets Are Intracellular Bacteria-Fighting Machines
Ruth Williams | Oct 15, 2020 | 3 min read
Far from being inert fat-storage depots within cells, these lipid-loaded organelles recruit immune proteins and block bacterial growth.
Image of the Day: Arrhythmogenic Cardiomyopathy
Amy Schleunes | Feb 24, 2020 | 1 min read
Scientists identify a potential biomarker for predicting the progression of a deadly cardiac disease.
Exercising Before Eating Burns More Fat: Study
Emily Makowski | Nov 27, 2019 | 1 min read
Men had better fat-burning results when they had breakfast after cycling instead of beforehand.
Researchers Identify Biomarkers for Obesity Risk in Women
Catherine Offord | May 31, 2018 | 2 min read
Low levels of a biochemical process involved in fat breakdown predicts weight gain and metabolic complications more than a decade later.
How Diet Influences Host-Microbiome Communication in Mice
Joshua A. Krisch | Nov 23, 2016 | 3 min read
Researchers are beginning to decipher the metabolic language of the microbiome, and determine how gut microbes communicate with host tissue.
Prominent Endocrinologist Dies
Karen Zusi | Nov 20, 2015 | 1 min read
Guenther Boden, who linked insulin resistance with fatty acids in the blood, has passed away at age 80.
On the Origins of Life
Jef Akst | Mar 17, 2015 | 2 min read
A new experimental system demonstrates that precursors of ribonucleotides, amino acids, and lipids may have simultaneously arisen from the same prebiotic chemistry.
Fatty Pheromones
Rina Shaikh-Lesko | Jul 1, 2014 | 2 min read
A new class of pheromones, triacylglycerides, helps male fruit flies mark their mates to deter rivals.
Mutation Tied to Reduced Heart Disease
Kerry Grens | Jun 20, 2014 | 2 min read
Genetic variants that cripple a triglyceride-producing protein are linked with a lower risk of heart attack and stroke.
RNA World 2.0
Jef Akst | Mar 1, 2014 | 10+ min read
Most scientists believe that ribonucleic acid played a key role in the origin of life on Earth, but the versatile molecule isn’t the whole story.
 
Fish Oil Blocks Chemo
Jef Akst | Sep 13, 2011 | 1 min read
New research suggests that fish fat can prevent chemotherapy drugs from doing their job.
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