Not a Heart of Ice

Mark Marley • April 2, 2019 Not a Heart of Ice I recently realized that when I say “ice,” most people don’t understand what I mean. I am a planetary scientist, and I have studied (among other things) the ice giants of our solar system: Uranus and …

Crow about the success of bird brains.

The jackdaws are celebrating promotion. Behind the ravens who come first on goal difference, both will be in the Premier League of animal intelligence this year. I apologise for the sporting reference, but the appreciation of other species cognition has often been beyond the human …

First Science Results from Hayabusa2 Mission

Emily Lakdawalla • April 1, 2019 First Science Results from Hayabusa2 Mission What a great week in Houston! With three missions reporting first science results, the celebration of the 50th anniversary of the Apollo 11 landing, and a host of ongoing science from across the solar system, …

The Healing Power of Hospital Dogs

Two new full-time hospital dogs at U-M are calming nervous patients and bringing smiles to visitors and staff.   Anxious about having a catheter removed after surgery, the boy resisted the uncomfortable procedure. “I need Denver,” he said, fighting back tears. SEE ALSO: Pokémon Go …

Echidnas rule the flames(forest fires)

Here is the short beaked echidna. If not a star, this is surely a spark in the terrible problems that trouble people and animals in the face of such disasters. Echidna image; Credit: © Shutterstock Heterothermic mammals use a kind of sleep called torpor to …

History laid bare by genetics.

Map A indicates when sea levels were lowest at the LGM. Human populations could migrate eastward and to the south but from the Bering Land Bridge, retreat was impossible further than the Aleutian Ice belt (shown by arrows.) In Map B, around 17000 years ago, …