Life
- Animals
‘Mama’s Last Hug’ showcases the emotional lives of animals
In ‘Mama’s Last Hug,’ Frans de Waal argues that emotions occur throughout the animal world.
- Life
Readers ponder mitochondria, Neandertal diets, deep sea corals and more
Readers had questions about mitochondrial DNA, Neandertal diets, deep ocean corals and more.
- Animals
Hermit crabs are drawn to the smell of their own dead
A new study finds that the smell of hermit crab flesh attracts other hermit crabs of the same species desperately looking for a larger shell.
- Animals
The world’s largest bee has been rediscovered after 38 years
Researchers rediscovered the world’s largest bee living in the forests of an island of Indonesia.
- Climate
Dueling dates for a huge eruption reignite the debate over dinosaurs’ death
New dating techniques for the Deccan Traps volcanic eruptions disagree on whether they were the main culprit in the dinosaurs’ demise.
- Paleontology
A deer-sized T. rex ancestor shows how fast tyrannosaurs became giants
A newly found dinosaur called Moros intrepidus fills a hole in the evolutionary history of tyrannosaurs, helping narrow when the group sized up.
- Life
Physics explains how pollen gets its stunning diversity of shapes
These pollen patterns can all be explained by one simple trick of physics: phase separation.
- Neuroscience
Brain cells combine place and taste to make food maps
A select group of brain cells responds to both flavor and location, a specialty that may help an animal find the next good meal.
- Animals
50 years ago, DDT pushed peregrine falcons to the edge of extinction
In 1969, peregrine falcons were at risk of extinction. But a ban on the pesticide DDT and new captive breeding programs allowed the raptors to recover.
- Life
Slow sperm may fail at crashing ‘gates’ on their way to an egg
A new study describes how sperm navigate narrow straits in the reproductive tract’s obstacle course to reach an egg.
- Animals
A rare, ancient case of bone cancer has been found in a turtle ancestor
A 240-million-year-old fossil reveals the oldest known case of bone cancer in an amniote, a group that includes mammals, birds and reptiles.
- Artificial Intelligence
Readers marvel at AI, space missions and wombat poop
Readers had comments and questions about defining artificial intelligence, the New Horizons space mission and more.
