Category Archives: Evolution

September 29

How model organisms are chosen

Intro Mice, fruit flies, worms, and monkeys. These are just some of the many animal species that are commonly used by scientists to learn about the nervous system, often with the goal of uncovering something about the human nervous system. If that’s the case, then the species being used is said to be a model […]

June 03

Axolotls: First Ones to the Fountain of Youth

Introduction If you look at today’s $50 Mexican peso (left), you won’t see the image of a past president or monument. Instead, you’ll see a lone salamander with outstretched arms and gills in the middle of a lake. For centuries, this small creature, known as the axolotl (ax-oh-lot-al), was well known to the people that […]

July 16

Perks of Being a Trichromat

As a youngster, many excursions with my grandmother would end with her pointing out the breathtaking combination of hues that graces the sky during golden hour. She would be sure to mention the weather predictions that stem from our folklore: Warm mixtures of pink and lavender, she would tell me, means that tomorrow will be […]

May 07

Like reality TV? You might be a neuroscientist

Imagine … a lush, tropical island with carefully controlled temperature and humidity, where the lights come on and off at regular intervals, where its inhabitants consume dinner in unison from predetermined food sources….   Believe it or not, this paradise exists!  It’s called Love Island.  And for the many millions of viewers that tune into Love […]

December 19

Genomic Imprinting: A Genetic Custody Dispute for Your Brain

During this holiday season, we would do well to reflect on what we’ve inherited from our parents. You might have your mother’s sense of humor but your father’s sense of direction. You and your Ma might share the same tastes in music, but you prefer your Pa’s tastes for ice cream. Although heavily influenced by […]

October 10

Why do neuroscientists study weird animals?: A primer on neuroethology

Why do neuroscientists study weird animals? And I don’t mean borderline weird; I mean the kind of extraordinary animals that can create electric fields and lift 100 times their body weight. The sort of animals that can camouflage despite being colorblind and can capture flying prey in fractions of a second. The kind of creatures […]

September 26

Now you see me… now you don’t

At a very young age, I was caught on camera during a game of hide-and-seek. In my bright red coat, I sat crouched against a tree in full view of the seeker with my hands cleverly placed over my face to obstruct any chance of being found. Until ages 4 to 5, we humans are […]

September 19

How long have we been sleeping?

“J’ai peur du sommeil comme on a peur d’un grand trou, Tout plein de vague horreur…” In his phenomenal ‘Les fleurs du mal’ (‘Flowers of Evil’), Baudelaire promenades through the darkness of the night and with his characteristic gloomy brush, paints sleep as ‘a great hole’ that he fears. This myth surrounding sleep as a […]

August 22

Is evolution the missing link to understanding mental health?

The human brain has been shaped over hundreds of thousands of years, with evolution selecting for traits that helped our species survive and thrive. So why do we still have so many genes that make us struggle? Why did our remarkable cognitive capacity come with such a susceptibility to disorder?

May 31

The Rise and Fall and Rise of Genetic Memory

We are all products of our past, for better or for worse. At first glance, such a statement seems so obvious it hardly bears mentioning; our earlier experiences, both our successes and our failures, shape our current behavior.  But dig just a bit deeper, and it becomes far murkier. What can you call your past? […]