portrait of Marilyn Fogle in front of book case
Marilyn Fogel, Biogeochemist and “Isotope Queen,” Dies at 69
Fogel mined information from isotopes to explore modern and ancient ecosystems, climatic changes, and evolution.
ABOVE: Natasha Metzler / Carnegie Institution for Science
Marilyn Fogel, Biogeochemist and “Isotope Queen,” Dies at 69
Marilyn Fogel, Biogeochemist and “Isotope Queen,” Dies at 69

Fogel mined information from isotopes to explore modern and ancient ecosystems, climatic changes, and evolution.

Fogel mined information from isotopes to explore modern and ancient ecosystems, climatic changes, and evolution.

ABOVE: Natasha Metzler / Carnegie Institution for Science

News & Opinion

A cockroach clings to the inside of a white mug.
Injecting Cockroaches with CRISPR Gene Edits Their Offspring
Sophie Fessl | May 25, 2022
A new method has allowed researchers to conduct the first gene knock-out and knock-in edits on cockroaches and may extend to many other insects.
two muskoxen headbutting
Muskoxen Headbutts May Cause Brain Damage: Study
Patience Asanga | May 25, 2022
Researchers report molecular evidence of traumatic brain injury in headbutting animals, but other experts aren’t convinced.
Illustration of blue shiny mitochondria
Worms Live Longer with Mitochondria Powered by Light: Preprint
Alejandra Manjarrez | May 24, 2022
Increasing mitochondrial activity in worms by engineering a light-activated proton pump into the organelle’s membrane extends the animals’ lifespan without evidence of health decline, according to a preprint.
A school of juvenile spiny chromis (Acanthochromis polycanthus)
Human-Made Noise Disrupts Fish Parenting
Christie Wilcox | May 23, 2022
The roar of nearby boat engines alters how fish care for and protect their young, resulting in fewer successful nests and smaller offspring, a study finds.
Grey and white stones on a wooden plank
Eight Weeks of Meditation Doesn’t Change the Brain, Study Finds
Natalia Mesa | May 20, 2022
Study finds that, contrary to what other research has found, a popular meditation course does not appear to alter brain structure.
Open orange pill bottle with rounded white pills
What’s the Evidence for Fluvoxamine in COVID-19? 
Catherine Offord | May 20, 2022
The US FDA’s decision not to grant an emergency use authorization for the antidepressant as a COVID-19 treatment highlights a lack of consensus among researchers about how to interpret clinical data on the drug.
Alcohol bottles at a bar
Epigenome Editing Decreases Alcohol Seeking and Anxiety in Rats
Natalia Mesa | May 20, 2022
A CRISPR-based system that reverses epigenetic changes caused by adolescent binge drinking reduces adult addiction-like behaviors in rats, a study finds, suggesting that an epigenomic approach could someday help treat people with alcohol use disorder.
Man leaning against a bookshelf
Sheldon Krimsky, Leader in Science Policy and Ethics, Dies at 80
Lisa Winter | May 19, 2022
Krimsky warned strenuously about the corrupting power of money in science.
Grey and white image of transmission electron tomography of monkeypox virus
US Case Adds to Unusual Monkeypox Outbreak
Natalia Mesa | May 19, 2022
Experts are scrambling to understand clusters of the normally rare disease that have been reported in Europe and North America in the last month.
Two adult bottlenose dolphins and one calf swim close to a sandy seafloor that’s dotted with coral.
Study Suggests Dolphins Use Coral Mucus as Medicine
Dan Robitzski | May 19, 2022
Researchers observe that dolphins in a pod in the Red Sea regularly rub against certain corals and sponges, perhaps to sooth their skin by prompting the invertebrates to release mucus that contains antimicrobial compounds.
illustration of purple mitochondrion within a cell
Rogue Mitochondria Turn Hermaphroditic Snails Female: Study
Patience Asanga | May 19, 2022
The accidental finding marks the first time a phenomenon called cytoplasmic sterility, known to occur in plants, has been found in animals.
A clinician (off screen) wearing blue gloves presses a diapered infant’s heel against a paper card to collect blood samples.
Did Researchers Really Uncover the Cause of SIDS?
Dan Robitzski | May 18, 2022
An interesting but preliminary biomarker study’s reception illustrates the challenges of conducting and communicating nuanced research in the era of social media.
A drawing of pseudostratified gut epithelial cells in the early intestines, cells in red and nucleus in purple.
Move Over Apoptosis: Another Form of Cell Death May Occur in the Gut
Natalia Mesa | May 18, 2022
Though scientists don’t yet know much about it, a newly described process called erebosis might have profound implications for how the gut maintains itself.
The fossil tooth found in the Annamite Mountains in Laos
Ancient Tooth Could Be Clue in Denisovan Migration Mystery
Andy Carstens | May 18, 2022
The new fossil from Laos helps answer the question of how some people from Oceania carry DNA from the ancient hominin.
Two bonobos facing each other on a tree branch
Q&A: In Battle of the Sexes, Dominance Doesn’t Always Equal Power
Raegan Scharfetter | May 18, 2022
The Scientist spoke to hyena researcher Eve Davidian for a broad look at power relationships between male and female mammals.
A mosquito sucks blood from human skin
Malaria Mosquitoes Bite More During the Day Than Previously Thought
Andy Carstens | May 17, 2022
While malaria control strategies have focused on mosquitoes’ nocturnal activity, almost one-third of bites occur while the sun is up, a new study estimates.
Woman in face shield and blue gown taking cotton swab of patient's mouth while patient sits inside of car
What You Should Know About New Omicron Subvariants
Natalia Mesa | May 17, 2022
The presence and spread of new, more-infectious and immune-evading variants show that the coronavirus is not done mutating.
Group of cells stained in either blue or green in a black background.
Diabetes Marker Linked to COVID-19 Severity in Mice
Alejandra Manjarrez | May 16, 2022
A sugar that’s less abundant in the blood of people with diabetes binds to SARS-CoV-2’s spike protein and disrupts the virus’s ability to fuse with cells.  
brown spotted octopus blending in with its background
Steroids May Explain Octopuses’ Self-Starvation
Andy Carstens | May 16, 2022
Two glands increase steroid production after female California two-spot octopuses mate, a study finds. Those hormones may be responsible for the animals’ self-destructive behavior.