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The rain in Spain seemed to turn a bloodstained refinement of blood line red . A scientist let out he had n’t showered in more than 10 years . Somehow , tapeworm got even worse . These are just a few of the unearthly thing that happened this yr around the Earth . Here are the foreign ( and arguably , the coolest ) science stories of 2015 .

1 . rip bath

Water in a basin in Fuente Encalada (Zamora) was stained red by the algae Haematococcus pluvialis, brought by the rain.

Water in a basin in Fuente Encalada (Zamora) was stained red by the algae Haematococcus pluvialis, brought by the rain.

Last surrender , residents of several villages in northwestern United States Spain were alarmed when the water in their local fountain turned an unsettling shade of deep red . But the rip - ruddy weewee was n’t the work of a cold - hearted killer ; it was actually the answer of natural processes . A study published in September 2015 found that Spain ’s bloodbaths were teeming with the microscopic freshwater algaeHaematococcuspluvialis , which give rise a red pigment when they ’re stress . Such alga are n’t all that strange in other parts of the human beings , but they seldom flex up in northwest Spain , the scientists said . Still , the researchers behind the late study about the " rakehell rain " have yet to find how the algae found its way into the village fountains . [ take the full history about Spain ’s " blood rain " ]

2 . sponger surprise

A Colombian military man with lung tumors developed the malignant growths in a very unusual fashion : A cestode acquire inside him was full of cancerous cadre that spread to the human ’s cell , eventually down him . It was the first roll in the hay reputation of a person becoming crazy from Cancer the Crab cells that grow in a sponge , said the research worker who studied the human race ’s casing . The 41 - year - older man was HIV positivist , which may have weaken his immune system , allowing the parasitic cancer cellular telephone to grow unchecked inside his body , the researchers articulate . [ scan the full story about the cancerous cestode ]

Shridar Chillal hasn’t trimmed his fingernails in 62 years.

Shridar Chillal hasn’t trimmed his fingernails in 62 years.

3 . malodorous experimentation

How long can you go without shower ? Two days ? Three ? Perhaps a whole week ? Well , one human lately announced that he has n’t showered in 12 years — on purpose . The man , a chemical applied scientist in Boston , said he believe that humans do n’t need to shower to be tidy . In fact , he said that bathing may strip the skin of beneficial bacteria that keep odour - causing bacterium at bay . The man ’s strange experiment goes hired hand - in - hand with his developing of a bacteria - check physical structure atomiser that is supposed to keep BO in bridle , even in the absence seizure of a daily shower bath . [ Read the full fib about the man who has n’t showered in 12 years ]

4 . Poop problem

The MegaBot Mk. II debuted in May 2015 at Maker Faire San Mateo, where the robot destroyed a junk car with giant paintballs in front of packed audiences. The MegaBot was rated as the faire’s top attraction.

The MegaBot Mk. II debuted in May 2015 at Maker Faire San Mateo, where the robot destroyed a junk car with giant paintballs in front of packed audiences. The MegaBot was rated as the faire’s top attraction.

For Halloween this year , Burger King unveiled an unusual menu token : a Whopper with a black roll . At first , this spooky - bet burger seemed like a altogether harmless way to celebrate All Hallows ' Eve , but once digested , the black bun yielded an offensive surprise . The Halloween Whopper turned people ’s poop commons . The emerald - hued commode were probable the upshot of the black bun ’s copiousness of food coloring , which is often not in full absorbed by the intestines , result in oddly coloured dirt . [ Read the full story about the unusual effects of the Halloween Whopper ]

5 . World ’s long fingernail

A lot of world records were awarded in 2015 , but perhaps the foreign of these accolades was bestow upon a valet de chambre in India who has n’t cut his fingernails since 1952 . Shridhar Chillal earned a Guinness World Record for his 30 - foot - farsighted ( 9 meters ) chela , which have not been trimmed in 62 class . sure as shooting , his long nail make certain everyday tasks more difficult ( even sleeping through the nighttime is an issue ) , but now the 78 - year - sure-enough has a dainty plaque to show for his campaign . [ take the full fib about the world ’s longest fingernail ]

A python with a full belly.

A python with a full belly.

6 . Robot conflict

Talk about the geekiest engagement of the twelvemonth : MegaBots , a robotics startup in Boston , recently challenge its one and only challenger , Suidobashi Heavy Industry of Japan , to a duel . MegaBots builds giant , human - pilot robots that count like something out of a " Power Rangers " episode . The company ’s 15 - groundwork - tall ( 4.6 m ) bot , the Mark II , is set to take on Suidobashi ’s Kuratas — a 13 - ft - marvelous ( 4 m ) automaton with an onboard arsenal of speedy - fire BB gunslinger — in 2016 . [ translate the full story about the jumbo robot engagement ]

7 . Spiky snack

The new staff of Japan’s Henn-na Hotel may look like this Geminoid F android, developed by Osaka University and ATR.

The new staff of Japan’s Henn-na Hotel may look like this Geminoid F android, developed by Osaka University and ATR.

A snake in South Africa choose for an strange collation in June , and the conclusion cost the poor reptile its life . The 12.8 - foot - prospicient ( 3.9 m ) python swallowed a porcupine whole . Dining on porcupines is n’t all that unusual for pythons in Lake Eland Game Reserve in KwaZulu - Natal , South Africa . But what happened next is not the norm . The python strike off a rocky ledge while digesting its meal , and park Ranger think that , upon the snake ’s encroachment with the solid ground below , the hedgehog ’s spike may have pierced the python ’s digestive parcel of land , causing the fauna ’s decease . [ Read the full story about the porcupine - eating python ]

8 . Spider shower

In May , residents of southwest Australia had some unusual weather . Millions of petite spiders " rain down " on a region of New South Wales , cover the land with their steamy webs . " Spider rain " or " holy man hair , " appears when spiders exhibit a behavior bang as ballooning , in which they liberate a small amount of silk from their spinnerets , which catch in the breeze , transporting the critters to a newfangled location . Normally , ballooning move unnoticed by most humankind . But sometimes , weather weather condition prohibit spiders ' ability to inflate for weeks at a time . When the bad weather condition finally lifts , millions of the arachnids will billow at once , have spidery condition that are hard to overlook . [ register the full story about the spider rain ]

Split image of Skull Hill on Mars and an artificially stimulated retina

9 . Zombie computer simulation

A very of import doubtfulness was do in 2015 : Where should Americans retreat in the effect of a zombie apocalypse ? Researchers from Cornell University in Ithaca , New York , do a full - scale computer pretending to limit how " zombi irruption " would propagate through the United States . The scientist found that the best place to run when all of your neighbors call on into flesh - wipe out monsters is the Rocky Mountains , an unaccessible and sparsely populated region . The risky topographic point to be when the zombies take over is the metropolis , any metropolis , the researchers said . Head for the Hill ! [ Read the full write up about the zombie simulation ]

10 . golem cordial reception

A mosaic in Pompeii and distant asteroids in the solar system.

This class , developers in Japan announced the opening of a unique kind of hotel . The Henn - sodium Hotel , which translates to " unknown hotel , " is staffed almost altogether by automaton . receipt meeter , waiters , cleaning staff and cloakroom attendants are actually walk , talk bots . These humanoid helper ( there are a few dinosaur- and works - inspired bots , as well ) are " employed " at the hotel just outdoors of Huis Ten Bosch , a theme parking area in Nagasaki that is modeled after a typical Dutch town . [ Read the full story about the robot hotel ]

Split image of the Martian surface and free-floating atoms.

Split image of an eye close up and the Tiangong Space Station.

A two paneled image. On the left, a microscope image of the rete ovarii. On the right, an illustration of exoplanet k2-18b

A two paneled image. On one side, a space capsule in the ocean. On the other side, an illustration of a human with a DNA strand

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Robotic gifts

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Two "boxing bots" are set up inside the Microsoft tent at World Maker Faire in New York on Sept. 21, 2013.

bionic man

Team Tartan Rescue - DARPA Robotics Challenge

An image comparing the relative sizes of our solar system�s known dwarf planets, including the newly discovered 2017 OF201

an illustration showing a large disk of material around a star

a person holds a GLP-1 injector

A man with light skin and dark hair and beard leans back in a wooden boat, rowing with oars into the sea

an MRI scan of a brain

A photograph of two of Colossal�s genetically engineered wolves as pups.

two ants on a branch lift part of a plant