ADVERTISEMENT
  About the SA Blog Network

Posts Tagged "natural selection"

Guest Blog

The Intelligent Homosexual’s Guide to Natural Selection and Evolution, with a Key to Many Complicating Factors

June is Pride Month in the United States, and in communities across the country, lesbian, gay, bisexual, and transgendered Americans are celebrating with carnivals, parades, and marches. Pride is a rebuke to the shame and marginalization many LGBT people face growing up, and a celebration of the freedoms we’ve won since the days when our [...]

Keep reading »
Life, Unbounded

The Unstoppable Extinction And Fermi’s Paradox

Really, this is what I evolved into? (Images used: Stephen Ausmus, USDA ARS, Matt Martyniuk)

There has been a lot of discussion recently about the evidence that we are currently within a period of mass extinction, the kind of event that will show up in the fossil record a few million years from now as a clear discontinuity, a radical change in the diversity of life on the planet. This [...]

Keep reading »
Observations

Cave Bacteria Finding Suggests Ancient Origins of Antibiotic-Resistant Superbugs

Lechuquilla cave

Our pill-popping culture and over-zealous livestock farmers typically take the blame for the widespread resistance of many harmful strains of bacteria to entire classes of antibiotics. And the Food and Drug Administration took a bold move today with a new voluntary plan to help curtail the over-use of antibiotics in agriculture. But the capacity to [...]

Keep reading »
Streams of Consciousness

Acts of Kindness Explained [Video]

helping_Donald_Lee_Pardue

        // Editor’s note: Brain Basics from Scientific American Mind is a series of short video primers on the brain and how we feel, think and act. Below is a synopsis of the sixth video in the series written by a guest on this blog, Roni Jacobson, a science journalist based in [...]

Keep reading »

More from Scientific American

Scientific American Dinosaurs

Get Total Access to our Digital Anthology

1,200 Articles

Order Now - Just $39! >

X

Email this Article

X