Dengue viruses also pose problems for vaccine design, with no effective vaccine and millions of human infections every year. There are four dengue virus serotypes, as defined by neutralization ...

You may need to undergo several revisions, until you approve a final design. But that's part of the process. Your brand, image and reputation are too valuable to entrust to amateurs. A graphic ...

Ariana Grande has landed her next big movie role following her performance in 'Wicked,' and this time, it’s not a musical.