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.

ecology, evolutionary biology
Infographic: Resurrecting Ancient Proteins
Infographic: Resurrecting Ancient Proteins
Amber Dance | Jul 1, 2018

Learn the basic steps researchers take when reconstructing proteins from the past and how these biomolecules can inform engineering projects.

Primer: Acoustics and Physiology of Human Speech
Primer: Acoustics and Physiology of Human Speech
Philip Lieberman | Jul 1, 2018
People have a unique anatomy that supports our ability to produce complex language.
Why Human Speech Is Special
Why Human Speech Is Special
Philip Lieberman | Jul 1, 2018
Evolutionary changes in both the vocal tract and the brain were necessary for humans’ remarkable gift of gab.
Scientists  Bring  Ancient  Proteins  Back  to  Life
Scientists Bring Ancient Proteins Back to Life
Amber Dance | Jul 1, 2018
Researchers are resurrecting proteins from millions of years ago to understand evolution and lay the groundwork for bioengineering custom molecules.
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.
Image of the Day: Ray of Light
Image of the Day: Ray of Light
Sukanya Charuchandra | Jun 22, 2018
The discovery of the world’s first known manta ray nursery will offer a glimpse into the animals’ juvenile stage.
Image of the Day: Performance Anxiety
Image of the Day: Performance Anxiety
Sukanya Charuchandra | Jun 21, 2018
In the presence of competition, archerfish become more hesitant but accurate shooters.
Image of the Day: Snacking on Snails
Image of the Day: Snacking on Snails
Sukanya Charuchandra | Jun 20, 2018
Five newly identified species of snakes suck the mollusks right out of their shells.  
Image of the Day: Landing Blows
Image of the Day: Landing Blows
Sukanya Charuchandra | Jun 18, 2018
The smashing mantis shrimp is strategic in its attack on sea snails.