Fossil marine diatom, Actinoptychus heliopelta | Dr. Stephen S. Nagy
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@biomalogist
Fossil marine diatom, Actinoptychus heliopelta | Dr. Stephen S. Nagy
(via Lovely animated gif of some sort of protist. #beautiful)
Gouache and watercolor of one of my favorite early amphibians, Diplocaulus. (late Carboniferous to late Permian, roughly 270 mya)
Cerebrum nasus is a medium sized quadruped with a unique adaptation to navigate a world that seldom has light. While equipped with eyes that can pick up ultraviolet light, the Cerebrum Nasus “sees” it’s world through it’s large multifaceted nose. This large fleshy organ holds multiple nostrils to pick up the slightest of shifts in scent. It also can emit and register as an electroreceptor. Communication between individuals is also processed through the organ via electric fields.
This melon will become vibrant during mating season as a way to attract and will accompany a unique electo-song as a way to entice females. Each song is unique to the individual and is entirely inaudible.
Birds from different species recognize each other and cooperate
Cooperation among different species of birds is common. Some birds build their nests near those of larger, more aggressive species to deter predators, and flocks of mixed species forage for food and defend territories together in alliances that can last for years. In most cases, though, these partnerships are not between specific individuals of the other species – any bird from the other species will do.
But in a new study published in the journal Behavioral Ecology, scientists from the University of Chicago and University of Nebraska show how two different species of Australian fairy-wrens not only recognize individual birds from other species, but also form long-term partnerships that help them forage and defend their shared space as a group.
Allison E Johnson, Christina Masco, Stephen Pruett-Jones. Song recognition and heterospecific associations between 2 fairy-wren species (Maluridae). Behavioral Ecology, 2018; DOI: 10.1093/beheco/ary071
This is a splendid fairy-wren. Credit: Allison Johnson
“I became insane, with long intervals of horrible sanity.”
—
Edgar Allan Poe
Diamond Snake, Morelia spilotes by Helena Forde 1869.
The zebrafish is used as model in developmental biology. Here two juvenile fish of just two days old. © MPI für Entwicklungsbiologie/ Jürgen Berger/ Mahendra Sonawane
via Frans de Waal - Public Page http://ift.tt/105kgEA
“Chepita, mi Chepita: dejemos todo esto como una simple fluctuación del sentimiento; echémosle la culpa al metabolismo; hagamos responsable de todo a la variación química, al peso específico, a la fisiología celular. Pero no digamos la palabra desamor, no pronunciemos la palabra olvido. En todos los lugares de mi alma hay un pedazo de tu vestido, una gota de tu silencio, una huella de ti, ligera, inexorable. Asistes a mi desesperanza, habitas mi desesperación, concurres a mi hastío y mi muerte diaria. ¿Qué más? ¿Cómo introducirme en tu sangre? ¿Cómo penetrar en ti misma, para hablarte con todos los temblores de la angustia, con todos los testimonios de la desolación?”
— Cartas a Chepita, Jaime Sabines
El mundo es sensacional, solo basta mirar a tu lado para descubrir las maravillas que éste te ofrece.
Foto: biomalogist, 18 Mayo 2018.
“Chepita, mi Chepita: te quiero. Escúchalo también cuando no lo pronuncie. En mi corazón no hay cansancio. Lo digo todo yo, aun no pensando en ti. Lo digo con todas las voces, lo grito con todos los silencios.”
— Cartas a Chepita, Jaime Sabines
“Ésas miradas que te hacen temblar, que no puedes detenerlas ni si quiera mirarlas, ésas miradas que te erizan la piel y te envuelven en algún paraíso instantáneo. Ésas miradas, en las que te pierdes y te encuentras ésas como la tuya . .”
— Cartas de Amor
:'(
“El secreto de la felicidad es tener gustos sencillos y una mente compleja, el problema es que a menudo la mente es sencilla y los gustos son complejos.”
— Fernando Savater
Science Fact Friday: Spiders!
I’ll admit I’m //not// a fan of spiders but we rarely appreciate them as the cool, complex organisms they are. So here. Have a spider. I tried to make it fuzzy and friend-colored so it’d be less threatening.
Larger version if you have trouble reading the text
Beautiful!!!
Cartas a chepita