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Flat blue line that becomes a pink jagged line and then a flat red line, on a black background.

Emerging from Silence: Capturing the First Heartbeat

Danielle Gerhard, PhD | Sep 27, 2023 | 5 min read

In the developing zebrafish, a noisy and asynchronous activity jumpstarts the heart’s journey to coordinated beating.

Melanocyte stem cells are shown in red and other cell nuclei are shown in blue.

Hair Turns Gray Due to Stuck Stem Cells

Mariella Bodemeier Loayza Careaga, PhD | Sep 8, 2023 | 3 min read

Hair-coloring stem cells must swing back and forth between their maturity states to give hair its color.

Peripheral blood mononuclear cells surrounded by red blood cells in circulating blood.

Accelerating Immune Research with Cryopreserved Peripheral Blood Mononuclear Cells

The Scientist and MilliporeSigma | 3 min read

Commerically-available peripheral blood mononuclear cells offer a well-characterized, accessible, and consistent model for immunology and therapeutic development.

An elderly person in beige shirt and a knitted, cream-colored vest holds a wooden walking stick.

New Epigenetic Clocks May Confirm Extreme Age

Ida Emilie Steinmark, PhD | Sep 8, 2023 | 4 min read

How will a new version of epigenetic clocks aimed at validating the age of people older than 100 years of age balance accuracy and anonymity?

The image shows two adult prairie voles. The voles have a brown coat and are touching each other’s snouts.

Molecular Signatures of a Broken Heart

Mariella Bodemeier Loayza Careaga, PhD | Sep 8, 2023 | 3 min read

The transcriptional profiles in the brains of prairie voles changed after a long breakup, revealing a molecular shift that might help them cope with the loss of a partner.

Science Philosophy in a Flash - A Scientific Figure of Speech

Iris Kulbatski, PhD | 1 min read

Beate Peter shares how her “scientific bilingualism” is the driving force behind her philosophy of science.

A Chronic Itch: Burrowing Beneath the Skin

Brian S. Kim, MD | Sep 8, 2023 | 9 min read

We have barely scratched the surface of itch science and what it indicates about our health.

A fluorescence microscopy image of a common mouse ear with a black background, an embedded bead visible as a white circle, and regenerating tissue around it shown in green.

Mice Heal Themselves in Response to a Common Signaling Molecule

Ida Emilie Steinmark, PhD | Sep 8, 2023 | 4 min read

A newly discovered way to induce scarless healing in mice depends on a highly conserved signaling pathway that is also present in humans.

Exosomes, microvesicles, and apoptotic bodies: The three major types of extracellular vesicle.

Extracellular Vesicles: Applications and Potential

Beckman Coulter Life Sciences | 1 min read

Explore why extracellular vesicles are attractive candidates for new therapeutic approaches.

The figure shows two waves made of DNA double helixes representing gene expression changes in the malaria parasite and its human host. These changes reveal a synchronization between parasite and host.

Malaria Parasites Sync with Hosts’ Molecular Rhythms

Mariella Bodemeier Loayza Careaga, PhD | Sep 1, 2023 | 2 min read

Evidence of malaria parasites aligning with their human hosts may pave the way for new antimalarial agents.

The image shows round-shaped glial cells in red and elongated neuronal cells in green surrounding the glial cells.

How Stress Inflames the Gut

Mariella Bodemeier Loayza Careaga, PhD | Sep 1, 2023 | 2 min read

In mice, chronically high levels of stress hormones worsen bowel inflammation.

Developing Aptamer Biosensor Technology for Diagnostics and Therapeutics

Expanding the Available Target Range for New Drugs and Diagnostics with Aptamers

The Scientist and aptamer Group | 1 min read

In this roundtable discussion, an expert panel will discuss how the latest applications of aptamer technology are enabling innovation across the life sciences by replacing antibodies.