Today’s physics news: Anti-matter atoms to address anti-gravity question, asteroid near misses and the threats to come and more

Today’s physics news: Anti-matter atoms to address anti-gravity question, asteroid near misses and the threats to come and more

Anti-matter atoms to address anti-gravity question
The question of whether normal matter’s shadowy counterpart anti-matter exerts a kind of “anti-gravity” is set to be answered, according to a new report.
BBC

Asteroid near misses and the threats to come
Figures show about 50 million NEO’s (Near Earth Objects) pass by every day. Here are some previous near misses as well as possible future threats.
Telegraph

Science reborn in Tunisia
Academics are cautiously optimistic on anniversary of revolution.
Nature

Carbon membranes excel at separating liquids
Ultrathin films have highly selective permeability
Physics World