Researchers developed an mRNA delivery system designed to improve embryo implantation. This approach could enhance ART outcomes and address uterine-factor infertility, with pre-clinical studies ...

Maharashtra HSC Biology Question Paper 2026 with answer key is available here . Check answers curated by subject experts. Estimate your score before the Maharashtra HSC results.

Research into how a father’s choices — such as diet, exercise, stress, nicotine use — may transfer traits to his children has become impossible to ignore. The standard sperm-meets-egg story posits ...

Before cells can divide by mitosis, they first need to replicate all of their chromosomes, so that each of the daughter cells can receive a full set of genetic material. Scientists have until now ...

PORTLAND, Ore. — Researchers have created human embryos by taking nuclei from ordinary skin cells, placing them into donated eggs, and fertilizing them with sperm. The work is a laboratory ...

Copyright 2026 The Associated Press. All Rights Reserved. Copyright 2026 The Associated Press. All Rights Reserved. This undated image provided by the Mitalipov ...

Creating human eggs from adult cells just got one step closer to reality. A technique used in cloning combined with fertilization and a bit of chemical coaxing caused human skin cells to produce eggs ...

AI-generated image of a sperm bot covered in nanoparticles. In one of the most surprising innovations in medical technology, scientists have created tiny, remote-controlled “sperm-bots” that could one ...

Contributed by Mariana F. Wolfner; received May 29, 2025; accepted July 17, 2025; reviewed by John M. Belote and John P. Masly Asymmetry of paired organs has been observed across animal species, from ...