biological systems
26/08/2020 - 11:22
Even within a single person, aging unfolds at different rates in different tissues, sometimes striking the liver before the heart or kidney... →
15/07/2016 - 14:16
Cloning’s biggest impact, several researchers say, has been in the stem cell advances it has sparked. Stem cell biologist Shinya Yamanaka... →
12/03/2016 - 13:49
Today, every sovereign nation in the world has a protected-area system of some kind. All together the reserves number about 161,000 on land... →