The new research, published in the journal Physiology, suggests the boundary between life and death may not be as clear-cut ...

Literally billions." To put that in perspective, the Earth is thought to be about 4.5 billion years old, which means these ...

Giant glaciers scraped parts of the Earth's crust, releasing key minerals into the ocean millions of years ago, a study ...

Cell division allows for growth and replacement of dead cells. Most multicellular organisms are made of different cell types that are specialised to carry out specific functions. Control and ...

All multicellular creatures interact with bacteria, but some have taken the relationship to another level with highly specialized structures that house, feed, and exploit the tiny organisms. For the ...

How does multicellularity evolve? Scientists who study a family of green algae that includes unicellular Chlamydomonas and multicellular Volvox are beginning to find answers to this question.

But as researchers have learned over the past 25 years since Doolittle’s work, there are many other ways that foreign DNA could end up inside eukaryotic cells, and these include the cells of ...

A balanced diet is described as the necessary amounts of the seven food groups that make a person healthy. The food groups and their relative amounts are given. Food packaging is looked at. Use ...

Here we see just two examples, heart cells (far left) and nerve cells, or neurons. Altogether, multicellular organisms like humans have thousands of differentiated cells. Each is optimized for use ...

Riley Black’s new book, When the Earth was Green, uses the latest research to envision the ancient worlds of our favorite prehistoric animals.

Each cell of the human body contains two meters of DNA. The whole secret lies in the intricate three-dimensional arrangement that allows DNA strands to be efficiently organized and compacted within ...