SIEGFRIED KLAUS
Hunting Regulations Shape Brown Bears’ Care for Cubs
Hunting Regulations Shape Brown Bears’ Care for Cubs
Scandinavian mother bears gain a survival advantage by weaning their babies later than normal, analysis of a 30-year dataset suggests.
Hunting Regulations Shape Brown Bears’ Care for Cubs
Hunting Regulations Shape Brown Bears’ Care for Cubs

Scandinavian mother bears gain a survival advantage by weaning their babies later than normal, analysis of a 30-year dataset suggests.

Scandinavian mother bears gain a survival advantage by weaning their babies later than normal, analysis of a 30-year dataset suggests.

animal behavior, microbiology, disease & medicine, ecology
Neuropharmacologist Arvid Carlsson Dies at 95
Neuropharmacologist Arvid Carlsson Dies at 95
Sukanya Charuchandra | Jul 2, 2018
The Nobel laureate’s discoveries led to a treatment for Parkinson’s disease.
Cardiac Cell Transplants Help Monkeys’ Hearts
Cardiac Cell Transplants Help Monkeys’ Hearts
Ashley Yeager | Jul 2, 2018
The organ’s blood-pumping capacity improved with the infusion of cells, a study shows.
How Live Capture Changed Scientific Views of Killer Whales
How Live Capture Changed Scientific Views of Killer Whales
Jason Colby | Jul 1, 2018
Although highly controversial now, keeping orcas in captivity helped transform popular and scientific conceptions of the marine mammal from an unfeeling killer to a complex, intelligent animal.
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.
Book Excerpt from <em>Orca</em>
Book Excerpt from Orca
Jason Colby | Jul 1, 2018
In Chapter 15, author Jason Colby describes a scene of captive orca release and early research into the species' behavior and social organization
New Caledonian Crows Build Tools From Mental Images, Not Lessons
New Caledonian Crows Build Tools From Mental Images, Not Lessons
Sukanya Charuchandra | Jun 29, 2018
When it comes to tool making, the birds learn differently than humans.
End May Be in Sight for Ebola Outbreak in Central AfricaEnd May Be in Sight for Ebola Outbreak in Central Africa
End May Be in Sight for Ebola Outbreak in Central Africa
Ashley Yeager | Jun 29, 2018
No new cases have been reported since June 2, the World Health Organizations reports.
Magnetic Microrobots Deliver Cells Into Living Animals
Magnetic Microrobots Deliver Cells Into Living Animals
Sukanya Charuchandra | Jun 27, 2018
The miniscule carriers successfully transported and released live cells at a particular location within living mice.
Young Brain Cells Silence Old Ones to Quash Anxiety
Young Brain Cells Silence Old Ones to Quash Anxiety
Ruth Williams | Jun 27, 2018
In adult mice, neurogenesis increases social confidence by suppressing the activity of mature neurons.