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.

heart, immunology, ecology, evolution
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.
AACR Apologizes for Delays in Retracting Papers
AACR Apologizes for Delays in Retracting Papers
Catherine Offord | Sep 5, 2018
Nine of the most recent retractions from AACR journals are for papers coauthored by embattled cancer researcher Bharat Aggarwal.
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.
Muscle Master: Angela Dulhunty
Muscle Master: Angela Dulhunty
Anna Azvolinsky | Sep 1, 2018
Having pioneered the study of muscle physiology in mammals, she uncovered how ion channels enable muscle movement.
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.
Tiny Tunnels Run from the Skull to the Brain: Study
Tiny Tunnels Run from the Skull to the Brain: Study
Ashley Yeager | Aug 29, 2018
Immune cells travel through these passageways to get to injured tissue quickly, researchers say.
Culling Wildlife for the Sake of Research
Culling Wildlife for the Sake of Research
Anna Azvolinsky | Aug 27, 2018
A case in which the University of Florida killed birds to protect crop research raises questions on the ethics of field studies’ potential side effects.
Image of the Day: Fire Alarm
Image of the Day: Fire Alarm
Sukanya Charuchandra | Aug 24, 2018
Bats use both echolocation and vision to avoid eating unpleasant fireflies.
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.