fuckyeahfluiddynamics:

Hydrophobic surfaces are great for creating some wild behaviors with water droplets, but they make neat effects with other liquids, too. The viscous honey in the first segment of this Chemical Bouillon video is a great example. Because the honey doesn’t adhere to the hydrophobic surface, the viscoelastic fluid does not maintain the form it had when drizzled on the surface. Instead, the honey contracts, with surface tension driving Plateau-Rayleigh-like instabilities that break the contracting ligaments apart to form nearly spherical droplets of honey on the surface.  (Video credit: Chemical Bouillon

(Reblogged from fuckyeahfluiddynamics)

skunkbear:

As Virginia Hughes noted in a recent piece for National Geographic’s Phenomena blog, the most common depiction of a synapse (that communicating junction between two neurons) is pretty simple:

Signal molecules leave one neuron from that bulby thing, float across a gap, and are picked up by receptors on the other neuron. In this way, information is transmitted from cell to cell … and thinking is possible.

But thanks to a bunch of German scientists - we now have a much more complete and accurate picture. They’ve created the first scientifically accurate 3D model of a synaptic bouton (that bulby bit) complete with every protein and cytoskeletal element.

This effort has been made possible only by a collaboration of specialists in electron microscopy, super-resolution light microscopy (STED), mass spectrometry, and quantitative biochemistry.

says the press release. The model reveals a whole world of neuroscience waiting to be explored. Exciting stuff!

You can access the full video of their 3D model here.

Credit: Benjamin G. Wilhelm, Sunit Mandad, Sven Truckenbrodt, Katharina Kröhnert, Christina Schäfer, Burkhard Rammner, Seong Joo Koo, Gala A. Claßen, Michael Krauss, Volker Haucke, Henning Urlaub, Silvio O. Rizzoli

(Reblogged from science-in-a-jar)

nickdouglas:

My friend Thomas Leveritt is enjoying well-earned wild success for his video, “How the sun sees you,” which shows what your face looks like under UV light—and then with sunscreen.

Omg, never forgetting sunscreen.

(Reblogged from nickdouglas)
maggi007:

Me when the experiment goes well but I’m not entirely sure why


xD you are a magician.

maggi007:

Me when the experiment goes well but I’m not entirely sure why

xD you are a magician.

(Reblogged from scienceshenanigans)

luxhysteria:

Jupiter’s great red spot. A hurricane three times the size of our whole planet that’s been raging for centuries.
(Reblogged from science-in-a-jar)
(Reblogged from freshphotons)

neuro-genesis:

start training water bears to investigate chernobyl, they can take the radiation yo

(Reblogged from scienceshenanigans)
(Reblogged from heythereuniverse)
fuckyeahmathandsciencetattoos:

phylogenetic tree constructed by Răzvan Musăloiu-E. from JHU

source: http://cs.jhu.edu/~razvanm/fs-expedition/2.6.x.html

done by kerry burke at forever tattoo in asheville, nc

fuckyeahmathandsciencetattoos:

phylogenetic tree constructed by Răzvan Musăloiu-E. from JHU

source: http://cs.jhu.edu/~razvanm/fs-expedition/2.6.x.html

done by kerry burke at forever tattoo in asheville, nc

(Reblogged from fuckyeahmathandsciencetattoos)

buggirl:

Butterfly chrysalis of many different species.  The metallic coloration serves as camouflage for those species that live near bodies of water. 

Learn from buggirl?

(Reblogged from buggirl)

lindahall:

Plate 9:  Individuals with normal vision or tritanopia will see the number 56. Individuals with protanopia, deuteranopia, or achromotopsia will see no numbers.

Plate 19: Individuals with normal vision or tritanopia will see the number 5. Individuals with protanopia or deuteranopia will see the number 2. Individuals with achromotopsia will see no numbers.

Plate 34. Individuals with normal vision, tritanopia, or achromotopsia will see no numbers. Individuals with protanopia or deuteranopia will see the number 73.

From Tests for Colorblindness, Shinobu Ishihara, 1940. These plates will not be an accurate test because of fading colors and variations with monitors.

Yay still colorblind

(Reblogged from scientificillustration)
luminescentlabs:

Biofluorescent corals!
Who said that corals are just rocks??? This lively Mussidae colony was captured at night when its polyps —equipped with little stingers called nematocysts— were extended to feed.  Photo: David Gruber and Vincent Pieribone.

luminescentlabs:

Biofluorescent corals!

Who said that corals are just rocks??? This lively Mussidae colony was captured at night when its polyps —equipped with little stingers called nematocysts— were extended to feed.  Photo: David Gruber and Vincent Pieribone.

(Reblogged from we-are-star-stuff)

compoundchem:

Ever wondered how much water/caffeine/alcohol you’d need to drink to reach a lethal dose? This graphic shows the median lethal dose for all three!

Read more detail about LD50 tests in the accompanying post: http://wp.me/p4aPLT-ol

(Reblogged from we-are-star-stuff)

mucholderthen:

Moons of the Solar System

size comparison chart of [23 of the 173] moons in the Solar System 
(
Dan Matutina)

(Reblogged from scientificillustration)