This week's stories show how fast attackers change their tricks, how small mistakes turn into big risks, and how the same old ...

Epithelial cells form a layer in which an apical surface is exposed to the external environment and to other forms of stress in ducts in specialized organs. As such, epithelial cells require robust ...

Correspondence to Dr Patrick O McKeon, Department of Exercise and Sport Science, School of Health Sciences and Human Performance, Ithaca College Hill Center, Room G66 953 S. Danby Rd, Ithaca, NY 14850 ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. A market economy relies on voluntary exchanges driven by private individuals, ...

Sherri Gordon, CLC is a certified professional life coach, author, and journalist covering health and wellness, social issues, parenting, and mental health. She also has a certificate of completion ...