Bats Remember Directions

Bats Remember Directions

Jan 20, 2017 | Non classé

Researchers identify the cells that orient bats – and possibly humans – toward a destination 12.01.2017 Egyptian fruit bat. In today’s issue of Science, Sarel et al report on a new functional class of hippocampal neurons in bats, which encode the direction and...
Viruses Overheard Talking to One Another

Viruses Overheard Talking to One Another

Jan 19, 2017 | Non classé

Viruses that infect bacteria communicate to coordinate infection 18.01.2017 Viruses may be stealthy invaders, but a study at the Weizmann Institute of Science reveals a new, chatty side of some: For the first time, viruses have been found communicating with one...
A Multiple-Impact Origin for the Moon

A Multiple-Impact Origin for the Moon

Jan 10, 2017 | Non classé

New simulations challenge the idea that the Moon was born of a single giant collision 09.01.2017 The formation of the Moon has remained something of a puzzle. A leading theory proposes a cataclysmic impact involving a Mars-sized object and a young Earth. But there are...
Very Cold, but Oh-So Sensitive

Very Cold, but Oh-So Sensitive

Jan 2, 2017 | Non classé

A nanothermometer is thousands of times better at detecting heat transfer at the atomic level 02.01.2017 Detecting heat transfer in a pristine graphene sample with the new nano-thermometer. Left: Optical image of graphene sample. Right: The thermal image reveals a...
One in a Thousand

One in a Thousand

Dec 21, 2016 | Non classé

Heating up: One ion and thousands of atoms, all at a millionth of a degree above absolute zero 19.12.2016 Fluorescence image of a single trapped Sr+ ion immersed in a cloud of 100,000 trapped Rb atoms. The ion is trapped by radio-frequency fields. The atoms are...