Myoblasts with magenta-stained microtubules, red-stained Golgi bodies, and blue-stained nuclei

A humorous Twitter hashtag helps paint a picture of what science initiation rituals might look like.

Polyamines help fruit flies retain memories as they age.

The large mammals alter the levels of melanin in their skin depending on sun exposure, helping them to avoid DNA damage.

Meet some of the people featured in the September 2013 issue of The Scientist.

An archaeon takes the first steps toward making a liquid fuel from carbon dioxide and hydrogen gas.

When stretched, lung cells signal to each other by releasing ATP.

3-D printing has made inroads in the clinic, but constructing functional complex organs still faces major hurdles.

3-D printing allows tissue engineers to fabricate more-complex shapes and to precisely mix biological materials.

Cornell University biomedical engineer Lawrence Bonassar 3-D prints ears using “ink” that contains living cells.

Since July, hundreds of the marine mammals have washed up on mid-Atlantic beaches.

A genetic variant may help explain why some patients experience muscle discomfort and dysfunction while taking the cholesterol-lowering medications.