Image of forensic scientist Mitchell Holland. In the background there is someone in a white jumpsuit standing in front of caution tape.

mmh-cottages

Image of a forensic scientist holding a magnifying glass to DNA to reveal a DNA fingerprint.

03-25-forensics-article

Image of a forensic scientist holding a magnifying glass to DNA to reveal a DNA fingerprint. 

03-25-forensics-banner

DNA Profiling: Tracing Killers and Solving Mysteries Using Genetic Clues

eng-cathy

chan-headshot

Photo of Holowatyj wearing a white lab coat. She is sitting at a laboratory bench and pipetting a liquid from a falcon tube.

holowatyj-action-shot

Illustration of a young adult looking at their phone as they walk through an arrow that is pointing up. An illustration of a colon is in the background.

early-onset-colorectal-cancer-800x560

early-onset-colorectal-cancer-1800x720

Generation X and Millennials Face a Steep Rise in Early-Onset Colorectal Cancer Cases

A red male cardinal and a brownish female sit on a branch in front of a green background.

header-image-jira-generated-image-static-5b290286-4ac1-465a-80b1-27448818e1b3-article

header-image-jira-generated-image-static-5b290286-4ac1-465a-80b1-27448818e1b3-banner

A black and white image of Nettie Stevens wearing a high-necked dress and a large hat.

image-1-nettie-maria-stevens-credit-carnegie-institution-of-washington

Richel Meisel wears a red collared shirt and stands in front of a light background.

image-2-meisel-credit-chris-watts

image-3-jira-generated-image-static-5e9a06cf-8305-42a2-9579-28539dbe8155

A tank filled with small fish in the laboratory.

image-4-mank-guppies-credit-paul-joseph

Judith Mank and a handful of other researchers observe tanks of guppies in the laboratory.

image-5-mank-lab-photo-credit-paul-joseph

A small brown mouse with a white underbelly.

image-7-mus-minutoides-credit-quentin-martinez

An underwater image of a snorkeler over a coral reef.

image-6-wrasse-credit-john-godwin

Sex Determination: It&rsquo;s in the Genes&mdash;Sometimes

03-25-q1-cover-1p

Scientists dive into the genomes of whales, elephants, and other animal giants looking for new weapons in the fight against cancer.

Peto's Paradox: How Gigantic Species  Evolved to Beat Cancer

In mammals, intracellular clocks begin to tick within days of fertilization. 

77388-ts-digest-march-3-2025-digest-cover-amv

How Do Embryos Know How Fast to Develop

TS Digest

03-25-justcurious-1800-x-1260

03-25-justcurious-1800-x-720-fade

How Do Embryos Know How Fast to Develop? &nbsp;

Article

Simplified illustration of a scanning electron microscope and a transmission electron microscope.

76283-semstems-1800-x-1260

76283-semstems-1800-x-720

What&rsquo;s the Difference Between SEM and TEM?

A Photograph of Dan Cohn. He is wearing a dark suit with a white undershirt.

dan-cohn-029

Illustration of a scientist staring down at a broken glass flask with a powdered sample. 

76596-ts-mar-03-25-digest-ac-shattered-glass-1800-x-1260

76596-ts-mar-03-25-digest-ac-shattered-glass-1800-x-720

Shattered Glass, Salvaged Synthesis

Image of adeno-associated viral vectors (AAVs) being injected into tadpoles and larvae. The amount of green fluorescent protein is measured in brain sections and the selected AAVs are injected and tracked in juvenile and adult frogs and salamanders.

march-digest-infog-amphibians-1p

Image of adeno-associated viral vectors (AAVs) being injected into tadpoles and larvae. The amount of green fluorescent protein is measured in brain sections and the selected AAVs are injected and tracked in juvenile and adult frogs and salamanders. 

virus-infographic-img

Viruses Can Map How Amphibious Brains Are Wired

Infographic

Image of Bacillus subtilis colony biofilm against a black background.

03-25-sciencesnapshot

Image of microbiologist Scott Chimileski. He wears a blue shirt and smiles at the camera.

scottlg-1

Bacteria Wars: Kinship in the Swarm

Top: Photograph of DNA methylation and short interfering RNA mutant (right) plants or those that have been rescued with short RNA hairpins. Bottom: Fluorescent microscopy image showing centromeres (blue) that either segregate appropriately (left) or improperly (right). 

image001

Photograph of two Arabidopsis plants that either are from a genotype deficient in DNA methylation and small interfering RNAs from transposable elements (right) or has been rescued with the introduction of short hairpin RNAs. Whereas the plant on the left has four white petals like a normal plant, the plant on the right lacks these petals. 

article-img-1800x1260

newsletter-banner-faded-1800x720

Small RNAs Save Plant Centromeres

Morula, a solid ball of cells resulting from division of a fertilized ovum

puzzle-march-article-image

puzzle-march-header-image

Science Crossword Puzzle

Crossword Puzzle

moon, lunar, woman, biology, reproduction, fertility, menstrual cycle, menstruation, menses, period, synchronization