Researchers have found evidence of a previously unrecognized soft tissue structure in the cheek region of many dinosaur species, which they've called the "exoparia." The finding deepens our ...

A new part of an ocean plant cell has been discovered that might revolutionize farming one day. The structure can take nitrogen and convert it into the ingredient that helps all organisms grow.

Sperm Cheek Swab Biology student's cheek scraping reveals presence of sperm cell. David Mikkelson Published April 2, 1997 Claim: ...

With 1,000 Canadian patients waiting for lifesaving stem cell transplants, university students in Fredericton are being asked this week to help give them a better chance of survival.

With 1,000 Canadian patients waiting for lifesaving stem cell transplants, university students in Fredericton are being asked this week to help give them a better chance of survival. Canadian Blood ...

What is a prokaryotic cell? Prokaryotes are small, single-celled organisms with a simple structure. Unlike other cells, they don’t have a nucleus or other membrane-bound organelles. Instead, most ...

Venn debuted his diagrams in 1880 as a method for visualizing contemporary advances in logic. They then found application in the closely related branch of math called set theory, which focuses on ...

Scientists used cheek swabs from participants aged from 18 to 93. They paired patterns of DNA methylation in the cheek cells to determine an overall health score, which also considers factors such ...

A simple cheek swab test called CheekAge may be able to predict a person's increase in mortality risk, according to its developers.

A noninvasive cheek swab test could help predict aging, risk of death Researchers are saying that a simple cheek swab sample could hold key information about how a person is aging.

Over the past decade, several epigenetic clocks have been developed to track physiological aging. Until recently, all had been based on the DNA methylome of blood cells – onerous and stressful to ...

A new test called CheekAge, based on a quick swab of cells in the mouth, might someday be used to predict how long a person has to live, developers report. Photo by Adobe Stock/HealthDay News ...