An evaporating colloidal particle–laden droplet leaves behind a ring-like residue after drying. We routinely observe this ubiquitous phenomenon for dried coffee drops; thus, it is known as the "coffee ...

In a step forward for soft robotics and biomedical devices, Rice University engineers have uncovered a powerful new way to ...

Guru Nanak Dev the founder of Sikh religion observed the pathetic condition of women in the society Guru Nanak comdemned the attitude of maledominated human society denying the due respectable status ...