The Scientist

» bioethics and evolution

Most Recent

image: Single-Celled Life Primed to Go Multicellular

Single-Celled Life Primed to Go Multicellular

By | October 17, 2016

The unicellular ancestor of animals may have harbored some of the molecular tools that its many-celled descendants use to coordinate and direct cell differentiation and function, scientists show.

0 Comments

image: How Plants Evolved Different Ways to Make Caffeine

How Plants Evolved Different Ways to Make Caffeine

By | September 21, 2016

Caffeine-producing plants use three different biochemical pathways and two different enzyme families to make the same molecule.

3 Comments

image: Stingrays Chew Too

Stingrays Chew Too

By | September 15, 2016

Researchers observe stingrays moving their jaws to grind up prey, a behavior thought to be restricted to mammals.

0 Comments

image: Week in Review: September 5–9

Week in Review: September 5–9

By | September 9, 2016

Environmental magnetite in the human brain; prion structure takes shape; watching E. coli evolve in real time; learning from others’ behavior 

0 Comments

image: Giant Petri Dish Displays Evolution in Space and Time

Giant Petri Dish Displays Evolution in Space and Time

By | September 8, 2016

As E. coli bacteria spread over increasingly concentrated antibiotics, researchers discover novel evolutionary pathways that confer resistance.

7 Comments

image: Promoting Protein Partnerships

Promoting Protein Partnerships

By | September 1, 2016

Scientists generate new protein-protein interactions at an impressive PACE.

0 Comments

image: Protein or Perish

Protein or Perish

By | September 1, 2016

A bacteriophage must evolve certain variants of a protein or die.

0 Comments

image: Extinct River Dolphin Species Discovered

Extinct River Dolphin Species Discovered

By | August 16, 2016

Overlooked for half a century, a skull in the Smithsonian collection points to a dolphin species that lived 25 million years ago, according to a study.

0 Comments

image: Using RNA to Amplify RNA

Using RNA to Amplify RNA

By | August 15, 2016

Researchers apply in vitro evolution to generate an RNA enzyme capable of copying and amplifying RNA.

1 Comment

image: Hot Off the Presses

Hot Off the Presses

By | August 1, 2016

Idiot Brain, Wild Sex, Why Diets Make Us Fat, and The Ethics of Invention

0 Comments

Popular Now

  1. Optimism for Key Deer After Hurricane Irma
  2. Do Microbes Trigger Alzheimer’s Disease?
  3. Decoding the Tripping Brain
  4. Tattoo Ink Nanoparticles Persist in Lymph Nodes
    The Nutshell Tattoo Ink Nanoparticles Persist in Lymph Nodes

    Analysis of the bodies of deceased individuals can’t determine what effect these tattoo remnants have on lymph function, but researchers suggest dirty needles aren’t the only risk of the age-old practice.

AAAS