A single exposure to a toxic fungicide during pregnancy can increase the risk of disease for 20 subsequent generations—with inherited health problems worsening many generations after exposure. Those ...

By now, it’s firmly established that modern humans and their Neanderthal relatives met and mated as our ancestors expanded ...

Innate immune sensors—known as pattern recognition receptors (PRRs)—detect specific molecular components of bacterial or ...

Late 1600s – Dutch scientist Antonie van Leeuwenhoek constructed a microscope with a single spherical lens. It magnified up to ×275. 1800s - the optical quality of lenses increased and the microscopes ...

Osmosis refers to the movement of water molecules only. The slideshow shows an example of osmosis showing the direction of movement of water between two different concentrations of sugar solutions. In ...

The ERBB system consists of four receptors (ERBB1–4), two of which, ERBB2/HER2 and ERBB3 are non-autonomous. All four ERBB proteins form functional dimers after activation by epidermal growth factor ...

This Review discusses recent advances in the molecular evolution of vertebrate organs, including rates of evolution of organs and cell types, molecular mechanisms of organ evolution and how complex ...

Background Monogenic disorders are a major cause of fetal structural anomalies. Most genetic diagnoses involve de novo, biallelic or X linked variants; however, inherited variants in autosomal ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...

The federal estate tax exempts $15 million per person, or $30 million per married couple. Illinois uses a much lower $4 million estate tax threshold per married couple. The word "threshold" matters: ...

Version of Record Research Article Mar 6, 2026 Important Convincing Developmental Biology Primordial cardiomyocytes orchestrate myocardial morphogenesis and vascularization but are dispensable for ...