ISTOCK, KAJAKIKI
Risk of Dying Levels Off in Super Old Age: Study
Risk of Dying Levels Off in Super Old Age: Study
The researchers say that their results are evidence we haven’t yet reached a limit to human lifespan.
Risk of Dying Levels Off in Super Old Age: Study
Risk of Dying Levels Off in Super Old Age: Study

The researchers say that their results are evidence we haven’t yet reached a limit to human lifespan.

The researchers say that their results are evidence we haven’t yet reached a limit to human lifespan.

algae, developmental biology
Image of the Day: Not All Bad
Image of the Day: Not All Bad
Sukanya Charuchandra | Jul 16, 2018
In zebrafish, some amount of reactive oxygen species is required for normal development.
Image of the Day: Blooming Algae
Image of the Day: Blooming Algae
Sukanya Charuchandra | Jul 9, 2018
The British Phycological Society declares the winners of a photography contest for images of algae.
Amazonians Offer Clues to Human Childhood Development
Amazonians Offer Clues to Human Childhood Development
Shawna Williams | Jul 1, 2018
A study of Shuar children in Ecuador provides a window into how the human body responds to infection in the sorts of conditions that shaped our species’ evolution.
Image of the Day: Multiple Choice
Image of the Day: Multiple Choice
Sukanya Charuchandra | Jun 19, 2018
Photosynthesis can happen in more than one way.  
Pancreatic Cell Size Negatively Relates to Lifespan in Mammals
Pancreatic Cell Size Negatively Relates to Lifespan in Mammals
Sukanya Charuchandra | Jun 19, 2018
Species with larger pancreatic cells tend to have shorter lives, according to a study.  
Blood Test Predicts Pregnancy Due Date
Blood Test Predicts Pregnancy Due Date
Kerry Grens | Jun 7, 2018
A small study based on circulating RNA in the blood of moms-to-be describes a technique that could be used to help predict who’s most at risk of preterm labor.
Image of the Day: Coral Reef
Image of the Day: Coral Reef
Sukanya Charuchandra | Jun 4, 2018
Ocean acidification can alter coral reef communities by decreasing calcification, encouraging the growth of green algae, and increasing metabolic rates. 
Animals’ Embryonic Organizer Now Discovered in Human Cells
Animals’ Embryonic Organizer Now Discovered in Human Cells
Jim Daley | May 23, 2018
The finding confirms that a cluster of cells that directs the fate of other cells in the developing embryo is evolutionarily conserved across the animal kingdom.
Study Explains How Newborn Mice Can Regrow Damaged Hearts
Study Explains How Newborn Mice Can Regrow Damaged Hearts
Ruth Williams | May 2, 2018
The extracellular matrix appears to inhibit regeneration; but scientists debate whether heart muscle really comes back.