Cybersecurity firm Group-IB's senior fraud analyst Yuan Huang collecting voice samples of CNA journalist Natasha Ganesan as she speaks to friends and colleagues on the phone. (Photo: CNA/Lim Li Ting) ...

The individual silica nanoparticles (glass beads, basically) are clear, but when packed together in certain configurations can give rise to flashes of color. This is due to Bragg diffraction off the ...

Scientists have identified the origins of the blue color in one of Jackson Pollock’s paintings with a little help from chemistry, confirming for the first time that the ...