Fossilized Lipids Confirm <em>Dickinsonia</em> as One of the Earliest Animals
Fossilized Lipids Confirm Dickinsonia as One of the Earliest Animals
An analysis of organic material from 500-million-year-old fossils upholds the theory that the mysterious creatures were early forms of animal life.
Fossilized Lipids Confirm Dickinsonia as One of the Earliest Animals
Fossilized Lipids Confirm Dickinsonia as One of the Earliest Animals

An analysis of organic material from 500-million-year-old fossils upholds the theory that the mysterious creatures were early forms of animal life.

An analysis of organic material from 500-million-year-old fossils upholds the theory that the mysterious creatures were early forms of animal life.

stem cells, evolution
Human Skeletal Stem Cell FoundHuman Skeletal Stem Cell Found
Human Skeletal Stem Cell Found
Abby Olena | Sep 20, 2018
Researchers recovered the cells that give rise to bone and cartilage from fetal and adult bone marrow and also derived them from induced pluripotent stem cells.
Geneticist Luigi Luca Cavalli-Sforza Dies
Geneticist Luigi Luca Cavalli-Sforza Dies
Sukanya Charuchandra | Sep 6, 2018
He was known for his work on the gene-culture theory of human evolution and the Human Genome Diversity Project.
Adult Cardiac Stem Cells Don&rsquo;t Exist: Study
Adult Cardiac Stem Cells Don’t Exist: Study
Diana Kwon | Sep 5, 2018
A mouse study adds to the growing body of work disputing the ability of progenitor cells to regenerate muscle tissue in adult mammals’ hearts.
Infographic: How Muscles Age
Infographic: How Muscles Age
Gillian Butler-Browne, Vincent Mouly, Anne Bigot, Capucine Trollet | Sep 1, 2018
Numerous cellular changes underlie the decline of muscle mass and strength in the elderly.
How Muscles Age, and How Exercise Can Slow It
How Muscles Age, and How Exercise Can Slow It
Gillian Butler-Browne, Vincent Mouly, Anne Bigot, Capucine Trollet | Sep 1, 2018
Researchers untangle the multifarious nature of muscle aging. So far, the only reliable treatment is exercise.
Image of the Day: Baby Boom
Image of the Day: Baby Boom
Sukanya Charuchandra | Aug 31, 2018
Researchers describe the remains of a clutch of extinct mammal-like animals.
Image of the Day: A Case of Mistaken Identity
Image of the Day: A Case of Mistaken Identity
Sukanya Charuchandra | Aug 22, 2018
By reevaluating a fossil species, researchers have developed a new theory for the lemur colonization of Madagascar.  
Fossilized Beetle Is Earliest Evidence of Insect Pollinator
Fossilized Beetle Is Earliest Evidence of Insect Pollinator
Abby Olena | Aug 16, 2018
A 99-million-year-old beetle preserved in amber alongside grains of pollen likely pollinated prehistoric plants.
Elephants Revived a &ldquo;Zombie&rdquo; Gene that May Fend Off Cancer
Elephants Revived a “Zombie” Gene that May Fend Off Cancer
Kerry Grens | Aug 15, 2018
DNA damage kick-starts what was once a defunct duplicated gene, which kills off injured cells.