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.

neurodegeneration, 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.
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.
Herpes Viruses Implicated in Alzheimer’s Disease
Herpes Viruses Implicated in Alzheimer’s Disease
Anna Azvolinsky | Jun 21, 2018

A new study shows that the brains of Alzheimer’s disease patients have a greater viral load, while another study in mice shows infection leads to amyloid-β build up.

Dopamine Neuron Implants Ease Parkinson’s Symptoms in Monkeys
Dopamine Neuron Implants Ease Parkinson’s Symptoms in Monkeys
Sukanya Charuchandra | Jun 20, 2018
The stem cell–derived transplants were stable for 24 months and led to wide-ranging behavioral improvements in the monkeys.  
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.
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.  
Image of the Day: Swiss Army Crustacean
Image of the Day: Swiss Army Crustacean
The Scientist Staff | May 2, 2018
The tools researchers used to study how this amphipod’s limbs develop could help inform our understanding of cell lineages and fates.