illustration of human oocyte
| 3 min read
The findings answer the longstanding question of where these cells hold the mRNA needed to cope with the transcriptional halt preceding meiosis.

eggs

Brown bird in nest surrounded by pink flowers

Earlier Nesting in Chicago-Area Birds Linked to Warming

mummy

Scratchy Scalps Help Glue Together Pieces of an Ancient Past

Baby Born from Egg that Was Matured and Frozen in the Lab

Aneuploidy Could Explain Variability in Female Fertility: Study

Image of the Day: Scrambled Frog Eggs

Image of the Day: Synchronous Spawning

Unhatched Gulls Shake Their Shells to Warn Siblings of Danger

milkweed bug eggs Oncopeltus fasciatus

Ecology, Not Physics, Explains Diversity of Insect Eggs

Voodoo Dolls, Roller-Coasters for Kidney Stones Win at Ig Nobels

Image of the Day: A Good Egg

Large Female Fish Play a Big Role in Replenishing Populations: Study

Image of the Day: Eggshell Edifice

Image of the Day: Tardigrade Eggs

Coral Sperm Banker

Hundreds of Pterosaur Eggs Discovered in China

Long Egg Incubations May Have Doomed the Dinosaurs

Further Support for Early-Life Allergen Exposure

Capsule Reviews

Call for Germline Editing Moratorium

Toward Lab-Grown Gametes

Trending

Photo of John Calhoun crouches within his rodent utopia-turned-dystopia

Universe 25 Experiment

Illustration of a transparent, blue outlined synapse with red neurotransmitters passing between them. More out-of-focus blue neurons are in the background.

ALS Disturbs Sleep Prior to Symptom Onset

A brown-shelled snail with green and white striped eye stalks on the petals of a yellow tiger lily.

How Tiny Organisms Control Minds, Create Zombies, and Shape Ecosystems

A spiral fossil with a snail-like shell.

Aerobic Bacteria May Predate Earth’s Oxygen Boom

Multimedia

Conceptual image of biochemical laboratory sample preparation showing glassware and chemical formulas in the foreground and a scientist holding a pipette in the background.

Taking the Guesswork Out of Quality Control Standards

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Green Cooling

Thermo Scientific™ Centrifuges with GreenCool Technology

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Image of a woman in a microbiology lab whose hair is caught on fire from a Bunsen burner.
April 1, 2025, Issue 1

Bunsen Burners and Bad Hair Days

Lab safety rules dictate that one must tie back long hair. Rosemarie Hansen learned the hard way when an open flame turned her locks into a lesson.

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Conceptual image of biochemical laboratory sample preparation showing glassware and chemical formulas in the foreground and a scientist holding a pipette in the background.

Taking the Guesswork Out of Quality Control Standards

sartorius logo
An illustration of PFAS bubbles in front of a blue sky with clouds.

PFAS: The Forever Chemicals

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Unlocking the Unattainable in Gene Construction

Unlocking the Unattainable in Gene Construction

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Concept illustration of acoustic waves and ripples.

Comparing Analytical Solutions for High-Throughput Drug Discovery

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Atelerix

Atelerix signs exclusive agreement with MineBio to establish distribution channel for non-cryogenic cell preservation solutions in China

Green Cooling

Thermo Scientific™ Centrifuges with GreenCool Technology

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Singleron Biotechnologies and Hamilton Bonaduz AG Announce the Launch of Tensor to Advance Single Cell Sequencing Automation

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Zymo Research Launches Research Grant to Empower Mapping the RNome