A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

Across all domains of life, immune defenses foil invading viruses by making it impossible for the viruses to replicate. Most known CRISPR systems target invading pathogens' DNA and chop it up to ...

Humans like plants. We like seeing them change the color of their leaves throughout the year. They connect us to nature even ...

Life begins with a single fertilized cell that gradually transforms into a multicellular organism. This process requires ...