I post a version of this every year. No reason to stop now.
10 insects that look like they belong in an alien world. [Click images to enlarge & for descriptions.]
10. Puss Moth Caterpillar
With their soft bodies and high protein content, caterpillars are usually incredibly vulnerable. To fend off predators, they often resort to scare tactics. Sometimes it’s in the form of bright, flashy colors; sometimes it’s in the form of mimicry—looking or acting like another, more dangerous insect. The Puss Moth caterpillar opts for mimicry, forming a bizarre looking “face” that resembles a vertebrate face scary enough to send most curious predators the other way.
The caterpillars are bright green and will often have a row of white spots on either side of their body. On the head is a pair of black “eye spots”—directly above a gaping “mouth” through which the true head of the caterpillar protrudes. The effect is startling, but it’s even creepier in action: if the caterpillar is touched anywhere on its body, it will instantly turn its “face” directly towards the attacker. Touch it somewhere else, and the head follows you, like a Mona Lisa from hell.
And if that doesn’t work, it can always spray out a mist of formic acid from the two horns on its back.
9. Devil’s Flower Mantis Idolomantis Diabolica
One of the largest types of praying mantis, the Devil’s Flower Mantis is also one of the strangest. And that’s saying a lot when you’re talking about praying mantids. Females of the species can measure up to 5 inches (13 cm) long, and have developed a range of natural coloring that allows them to mimic the Devil’s Flower, a type of orchid.
Mantids are predators, and their hunting style usually involves sitting motionless until their prey comes within reach, and then whipping their forearms out at lightning speed to snag flies, beetles, even, in some cases, birds. The Devil’s Flower Mantis uses color patterns that mimic a flower to actually lure its prey within reach.
8. Brazilian Treehopper
The image shown here is a model created by Alfred Keller, a German sculptor, in the 1950′s. But don’t let the fact that it’s a model fool you—the Brazilian Treehopper is definitely a real insect, and it’s barely even the strangest looking member of the treehopper family.
Similar to cicadas, treehopper insects are sort of like the Addams family of the insect world. Many of them sport some sort of odd structure on their backs, and we’re still not sure what the point of most of them are. In the case of the Brazilian Treehopper, the ball-like appendages are hollow chitin, and may be for the sole purpose of making it harder to eat.
7. Extatosoma Tiaratum
Anybody who’s ever seen Indiana Jones and the Temple of Doom should instantly recognize this monstrosity, commonly referred to as the Giant Prickly Stick Insect. As the largest known stick insect, the extatosoma tiaratum can reach lengths of 8 inches (20 cm) and is usually covered with large thorny spikes, which double as both camouflage and defensive armor.
Most of the time this insect attempts to blend in with its surroundings, but if it feels threatened it will rear up on its hind legs and spread out its front legs, like a scorpion. Interestingly enough, it also releases a chemical that is meant to scare away predators. To humans, it smells like peanut butter.
6. Pipevine Swallowtail Caterpillar
The Pipevine Swallowtail is a beautiful fluorescent blue butterfly that’s commonly found in North and Central America. Its larvae, on the other hand, is an armored congealed-blood-red caterpillar with tinted visor shades for eyes and a quadruple row of blunt horns running across its body.
The caterpillars live in groups while they are young, but over time they will wander off on their own before entering the chrysalis stage. They also change color as they grow, shifting from red to black, while their horns take on a bright orange hue. The bright colors are a warning—Pipevine Swallowtail caterpillars feed primarily on the Pipevine, a poisonous plant, and retain the toxins from the leaves in their own bodies.
5. Atlas Moth
Most of the time, it’s the caterpillar of a moth species that looks the strangest, while the moth itself is drab and uninteresting. Apparently, the Atlas moth didn’t get the memo. With a 10 inch (25 cm) wingspan, Atlas moths are believed to be the largest moth species on the planet. They also have a very unique trait—the front tips of their wings almost perfectly resemble a snake head poised to strike.
Nicknamed the Cobra moth for obvious reasons, Atlas moths are found in Southeast Asia, where they’re farmed for their silk.
4. Tailed Emperor Butterfly Caterpillar
Take a trip to the east coast of Australia around March or April and you might run into one of these strange creatures. The caterpillar of the Tailed Emperor butterfly looks pretty normal—from the neck down. Its head, though, definitely secures it a spot on this list.
From a broad, armor-plated forehead extend four bizarre horns that would be more at home on a dinosaur than anything from this millenium. The butterflies lay their eggs in groups, usually on Illawarra Flame trees, and the alien caterpillars emerge sometime around late March.
3. Spiny Flower Mantis - Pseudocreobotra wahlbergi
Another incredible looking mantis, the Spiny Flower Mantis (Pseudocreobotra wahlbergi) is, again, a flower mantis, pulling its bizarre ornamentation from the appearance of a flower. This mantis is very small, measuring only 1.5 inches (38 mm) and is found in select locations in Southern Africa.
And like most mantids, the Spiny Flower Mantis is a voracious cannibal, and the older they get the more likely they will be to eat other mantids that come across their path. Another interesting fact is that the female’s egg sac can be nearly three time larger than its own body.
2. Scorpionfly
While this insect looks like the result of some bizarre genetic experiment that spliced a scorprion stinger onto a wasp, that “stinger” is actually something much more innocuous: the fly’s genitals.
Nevertheless, it makes for a bizarre looking creature. Scorpionflies, or mecoptera, can be found all over the world, and have been around since the Mesozoic age. In fact, they’re believed to have been the forerunners of most of our modern moths and butterflies, collectively grouped in the Lepidoptera order.
1. Calleta Silkmoth Caterpillar
If Jackson Pollock and God had a design meeting, they would probably come up with something similar to the Eupackardia calleta larva, also known as the Calleta silkmoth caterpillar. With a massive color range and dangerous looking barbs, the Calleta silkmoth caterpillar is something most predators stay away from.
The moth is found in the Southern US, and the color pattern of the caterpillar changes based on age and environmental factors. It feeds mostly on the Mexican jumping bean, a plant found throughout Mexico, Texas, and Arizona.
I love this. It’s like one of those old-timey Workin’-Folk-In-New-York pictures.
You know the ones, dammit.
WiSee: Wi-Fi signals enable gesture recognition throughout entire home
This is an example of supercooling – the process by which a very pure liquid is chilled to a temperature just below its usual freezing point without actually making the jump to its solid state. Bottled water is perfect for this, especially the kind that’s been purified via reverse osmosis, a process that strips water of all its particulates. This particulates can act as “seed crystals,” or “nuclei,” to which a liquid phase on the cusp of becoming solid can attach, and crystalize around. In this video, a seed crystal is introduced in the form of a cube of already-frozen water. As soon as it’s introduced, the liquid phase rapidly crystallizes and attaches to the solid one, kicking off a chain reaction of ice-formation.Water that freezes as it’s being poured out of the bottle also solidifies upon exposure to a seed crystal, which, in this case, is an already-frozen surface. This is similar to the effect observed when freezing rain, supercooled by its flightpath through sub-freezing layers of atmosphere, comes into contact with an object cooled to a temperature below freezing. The result is a phenomenon known as glaze-ice, which – if you live somewhere cold – you may have seen before, coating the spindly extremities of tree branches.
A frilled shark head. The ancient ‘living fossil’ species of shark that dates back at least 90m years was caught during the survey around Rockall, a tiny islet off the coast of Scotland.
Photograph: Francis Neat
6 Weird Facts About Gravity
Here on Earth, we take gravity so for granted that it took an apple falling from a tree to trigger Isaac Newton’s theory of gravitation. But gravity, which draws objects together in proportion to their mass, is about much more than fallen fruit. Read on for some of the strangest facts about this universal force.
It’s all in your head
Gravity may be pretty consistent on Earth, but our perception of it isn’t. According to research published in April 2011 in the journal PLoS ONE, people are better at judging how objects fall when they’re sitting upright versus lying on their sides.The finding means that our perception of gravity may be less based on visual cues of gravity’s real direction and more rooted in the orientation of the body. The findings may lead to new strategies to help astronauts deal with microgravity in space.
Coming down to Earth is tough
Speaking of astronauts, their experience has shown that a switch to weightlessness and back can be tough on the body. In the absence of gravity, muscles atrophy and bones likewise lose bone mass. According to NASA, astronauts can lose 1 percent of their bone mass per month in space.When astronauts come back to Earth, their bodies and minds need time to recover. Blood pressure, which has equalized throughout the body in space, has to return to an Earthly pattern in which the heart must work hard to keep the brain nourished with blood. Occasionally, astronauts struggle with that adjustment. In 2006, astronautHeidemarie Stefanyshyn-Piper collapsed at a welcome-home ceremony the day after returning from a Space Shuttle mission to the International Space Station.
The mental readjustment can be just as tricky. In 1973, Skylab 2 astronaut Jack Lousma told Time magazine that he’d accidentally smashed a bottle of aftershave in his first days back from a month-long sojourn in space. He’d let go of the bottle in mid-air, forgetting that it would crash to the ground rather than just float there.
For weight loss, try Pluto
Pluto may no longer be a planet, but it’s still a good bet for lightening up. A 150-pound (68 kilogram) person would weigh no more than 10 pounds (4.5 kg) on the dwarf planet. The planet with the most crushing gravity, on the other hand, is Jupiter, where the same person would weigh more than 354 pounds (160.5 kg).The planet humans are most likely to visit, Mars, would also leave explorers feeling light-footed. Mars’ gravitational pull is only 38 percent that of Earth’s, meaning a 150-pound person would feel like they weigh about 57 pounds (26 kg).
Gravity is lumpy
Even on Earth, gravity isn’t entirely even. Because the globe isn’t a perfect sphere, its mass is distributed unevenly. And uneven mass means slightly uneven gravity.One mysterious gravitational anomaly is in the Hudson Bay of Canada (shown above). This area has lower gravity than other regions, and a 2007 study finds that now-melted glaciers are to blame.
The ice that once cloaked the area during the last ice age has long since melted, but the Earth hasn’t entirely snapped back from the burden. Since gravity over an area is proportional to the mass atop that region, and the glacier’s imprint pushed aside some of the Earth’s mass, gravity is a bit less strong in the ice sheet’s imprint. The slight deformation of the crust explains 25 percent to 45 percent of the unusually low gravity; the rest may be explained by a downward drag caused the motion of magma in Earth’s mantle (the layer just beneath the crust), researchers reported in the journal Science.
Without gravity, some bugs get tougher
Bad news for space cadets: Some bacteria become nastier in space. A 2007 study published in the journal Proceedings of the National Academy of Sciences found that salmonella, the bacteria that commonly causes food poisoning, becomes three times more virulent in microgravity. Something about the lack of gravity changed the activity of at least 167 salmonella genes and 73 of its proteins. Mice fed the gravity-free salmonella got sick faster after consuming less of the bacteria.In other words, Michael Crichton’s “The Andromeda Strain” had it wrong: The danger of infection in space may not come from space bugs. It’s more likely our own bugs grown stronger would strike us.
Black holes at the center of galaxies
Named because nothing, not even light, can escape their gravitational clutches, black holes are some of the most destructive objects in the universe. At the center of our galaxy is a massive black hole with the mass of 3 million suns. Scarier thought? It might be “just resting,” according Kyoto University scientist Tatsuya Inui.The black hole isn’t really a danger to us Earthlings — it’s both far away and it’s remarkably calm. But sometimes it does put on a show: Inui and colleagues reported in 2008 that the black hole sent out a flare of energy 300 years ago. Another study, released in 2007, found that several thousand years ago, a galactic hiccup sent a small amount of matter the size of Mercury falling into the black hole, leading to another outburst.
The black hole, named Sagittarius A*, is dim compared with other black holes.
“This faintness implies that stars and gas rarely get close enough to the black hole to be in any danger,” Frederick Baganoff, a researcher at the Massachusetts Institute of Technology who was involved with the 2007 study, told LiveScience’s sister site SPACE.com. “The huge appetite is there, but it’s not being satisfied.”
These were part of a series of Klein bottles created for the Science Museum in London by Alan Bennett.
About the Klein bottles:
A Klein bottle is a surface which has no edges, no outside or inside and cannot properly be constructed in three dimensions. In the series Alan Bennett made Klein bottles analogous to Mobius strips with odd numbers of twists greater than one.
