Choose from Hand Drawn Arrow Icon stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection ...

The official social media account of Prince William and Princess Kate shared a collage of hand-drawn portraits on Monday by Prince Louis, Princess Charlotte and Prince George and Kate herself.

Kensington Palace shared four portraits drawn by Catherine, Princess of Wales, and her three children – George, Charlotte and Louis – in a social media post on Monday. The drawings were posted ...

Oocytes grow within follicles, which consist of an oocyte and the surrounding granulosa cells. Communication (crosstalk) between oocytes and granulosa cells is crucial for oocyte formation ...

A hybrid robotic hand made from plastic bones and muscle cultured from human cells has been developed. Experts evaluated this as a significant step toward developing advanced robots that can ...

Cell adhesion is the process by which cells form contacts with each other or with their substratum through specialized protein complexes. Intercellular adhesion can be mediated by adherens ...

A new study shows how an anticancer drug triggers an "outside in" signal that gets it sucked into a cancer cell. The work, published Jan. 29 in Nature Communications, reveals a new signaling ...

Do you hike in the mountains, swim in the ocean, watch the sunset or listen to birds? Do you wish the outdoors were easier to access where you live? By Natalie Proulx What is it like to report ...

And a wave of genetic knockout studies in mice and fruit flies in the 1990s and early 2000s revealed possible roles for the protein in stem cell differentiation and ... for some of these proteins in ...