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Everything you need to know about tears. What are #tears made of? Why are they salty? #cry #eyes

Tears: Why We Weep (Infographic)

Streamer chamber photo of a pion-muon-electron (pi-mu-e) decay chain resulting from an antiproton annihilation. The antiproton enters from the bottom of the picture annihilates with a proton in neon gas filling the chamber; their energy materialises as 3 nuclear fragments (thick tracks) several pions (less dense tracks). One positive pion curls tightly to the right in the chamber’s magnetic field before decaying to a muon; the muon forms the spiral at top before decaying to a positron (or...

Iconomancy, retrofutureground: Streamer chamber photo of a...

A tool to help brain surgeons test and more precisely remove cancerous tissue was successfully used during surgery. The mass spectrometry tool sprays a microscopic stream of charged solvent onto the tissue surface to gather information about its molecular makeup and produces a color-coded image that reveals the location, nature and concentration of tumor cells.

Tool helps guide brain cancer surgery

Orgasms aren’t just good for your sexual relationship; they may also promote good communication. Results of a new study reveal that in the aftermath of having experienced an orgasm, people are more likely to share important information with their partners. And, that communication is likely to be positive.

Orgasms and alcohol influence pillow talk

How Big is Rosetta’s Comet?

How Big is Rosetta’s Comet?

"The Lone Ranger"- Kupffer cell (specialized macrophage, green) patrolling the tiny vessels in the liver called sinusoids, where they recycle old red blood cells and ingest pathogens. The endothelium (reddish pink) of these vessels has large holes, allowing the Kupffer cells to migrate into the liver tissue at sites of damage and inflammation.

Nearby Super-Earth is Best Habitable Candidate So Far, Astronomers Say

If This Doesn’t Blow Your Mind, Nothing Will

If This Doesn’t Blow Your Mind, Nothing Will

If the icy surface of Pluto's giant moon Charon is cracked, analysis of the fractures could reveal if its interior was warm, perhaps warm en...

The Sun Fires Off a Third X-Class Flare

The Sun Fires Off a Third X-Class Flare

human intestinal flora

Победители конкурса микрофотографии FEI 2012

No, it's not Photoshop. This volcano in Ethiopia burns blue as a result of escaping sulphuric gases., Image: Olivier Grunewald

This deadly volcano burns blue…and it’s beautiful (Science Alert)

Ah, the wonderful mathematics of the Universe...

Toxic marine Dinoflagellate (Karenia brevis) Toxic marine Dinoflagellate (Karenia brevis) that causes red tide. This gymnodinioid dinoflagellate has an equatorial groove containing one undulating flagellum and a second flagellum that trails behind the cell. They produce the brevetoxin which affects the central nervous system of fish, and people can become ill with neurotoxic shellfish poisoning when they eat shellfish that have accumulated brevetoxin.

Toxic marine Dinoflagellate (Karenia brevis) | Visuals Unlimited

The Observable Universe - The Neighboring Superclusters: “That tiny dot that you can hardly make out in the screen is the Virgo Supercluster, where our galaxy, our local group and several others reside. All of those other dots are superclusters, each containing perhaps trillions of stars. Oh how insignificant we are!

Possible Gamma Ray Burst Detected in Andromeda, Would be Closest Ever Observed

Saturn Disappears Behind the Full Flower Moon May 14 – Watch it Live