Interstitial fluid bathes cells, giving them nutrients and removing wastes. The interstitium is the space containing the fluid. Some scientists believe that fluid-filled spaces in the body are connected, forming an organ. The spaces may play a role in transporting cancer cells.
The Malayan tapir is an unusual animal with an extensible and mobile proboscis, or mini-trunk. Despite its size and bulk, this endangered animal can move fast.
Exciting disciplines that combine biology and math include biostatistics, epidemiology, bioinformatics, mathematical biology, and population ecology. The disciplines offer interesting careers.
Saliva is made by salivary glands and has important functions. The glands may sometimes develop stones. In Sjogren's syndrome, insufficient saliva is made.
The Sunshine State has all sorts of over-sized bugs and creep-crawlies. This article looks at the biggest spiders in Florida.
This is about the endurance of humans during intergalactic travel, based on my studies of human survival.
The Mariana Trench is the deepest place in the ocean and contains some fascinating animals. NOAA has made some exciting discoveries about life in the trench.
Most plants in the same family have similar characteristics. These similar characteristics can mostly be seen in their flowers.
The hedge bindweed or morning glory twines around other plants and interferes with their growth. Bindweed produces large and beautiful flowers in summer.
What role does water play in life and what would happen if we were to lose it or it didn't exist? There are already parts of the world where we can see how life would change, if there were no water. This article explores it further.
The deadly nightshade plant, or belladonna, is extremely poisonous. It contains atropine, which is potentially dangerous but has important medical uses.
In this Article, I will show writing to a File and Reading from a file using BufferedReader and BufferedWriter.
Here's another star, Mira the wonderful, which is literally the only shooting star out there. It has some really amazing qualities, and you'll know why it's name is so appropriate.
Some scientists are trying to bring extinct animals back to life through a process called cloning. The idea is exciting but also controversial.
In this article, I list and give essential facts on the 6 most dangerous snakes in Florida, all of which are venomous and can deliver potentially fatal snakebites. My list includes the Southern Copperhead, Eastern Diamondback, and the Cottonmouth.
So, there's a flat Earth society, a round Earth society, but why have we eliminated the possibility of the Hollow Earth?
Pitcher plants produce cups that trap and digest prey. The digestive enzymes of one species can break down gluten and may help people with celiac disease.
Many slugs play a helpful role in their environment, although some are pests. Researchers are hoping to create useful items based on slug slime and movement.
The common raven is an intelligent and interesting bird that plays an important role in folklore. The bird is found in many countries and habitats.
Bacteria have some amazing abilities. They can live in extreme habitats, produce light, communicate with each other, and act as predators and magnets.
This is a basic guide to what you can see on the surface on the Moon - there is as much that can be seen on the Moon with a pair of binoculars, than in the whole of the rest of the sky put together.
Cockroaches. They may be icky but they've got a lot of tricks up their hard little sleeves and you might be shocked to know what they're capable of and where they came from. Turn your repulsion to fascination right here with one click. I dare you.
Acorn worms have an amazing ability to regenerate body parts. We have most of the worm's genes used in regeneration. Scientists hope to enable us to make new body parts.
The bunya pine produces huge and often very heavy cones. Its large seeds are both edible and tasty. The tree has a strange appearance and some unusual features.
The wood frog survives freezing. A study of its adaptations for survival may be helpful in understanding human health problems and in the use of organs for transplants.
Osteoblasts and osteoclasts control the production and disintegration of bone and the amount of calcium released from the bones into the bloodstream.
Ants may have been the first creatures to learn how to work together in a colony, build cities, and practice agriculture. Learn this and many more fascinating facts about ants here.
Tiny microplastic particles are produced from plastic waste. The particles enter the human body in a variety of ways. Their effects on the body are unknown.
Broca's area, Wernicke's area, and the circle of Willis are important parts of the brain. They are named after the famous scientists who discovered them.
The monkey puzzle tree is a very strange and interesting plant. It's native to South America but grows in parks and gardens in other areas as an introduced plant.
The dragon blood tree of Socotra Island has an unusual appearance. It secretes a red resin known as dragon's blood when its bark is injured. The resin is used in many ways. The island is home to other fascinating and often unique organisms besides the tree.
Coral bleaching is an event in which corals lose their pigment and main source of food. It often causes corals to die. Oxybenzone in sunscreens may contribute to coral bleaching.
For some duckweed is a menace, for others it's a Godsend. Here in Brazil, we have built duckweed ponds and are encouraging it to grow to use as an animal feed . This is just one of its many uses.
Octopuses have fascinating abilities. Some have fins that help them move. Others demonstrate intelligence. The genome of one species is very unusual.
This guide to laboratory signs and their meanings has a detailed description to each sign and symbol, with photos. A must read for anyone working in a laboratory with hazard signs...
Black holes are engines of destruction unlike anything we are familiar with. One of their specialties is a tidal disruption event, and here we will delve into the mechanics of it.
A microscope is a gateway to a fascinating and normally invisible world. A home microscope is entertaining and educational for children and for adults, too.
Unripe lychees and ackee fruits contain toxins. Both fruits should be eaten only when ripe. In addition, it's very important that ripe ackee is prepared properly.
Asian and African golden cats are beautiful animals whose populations are near threatened. The cats are in trouble because of human activity in their habitat.
Michael Faraday, the son of an 18th Century blacksmith, became one of the greatest scientists of his age. One of his discoveries transformed the world and changed the way we live forever.
Many people struggle to tell these two reptiles apart, but it isn't that difficult when you know what to look for. What is the difference between alligators and crocodiles? Well, there are essentially 8 main ways to tell them apart...
Some people believe that NDE is proof of an afterlife. However, science provides alternate, and more plausible, explanations.
New celestial objects in the solar system are always intriguing. What are these new classifications and their implications for us?
Nemesis Theory says there is a second sun in our solar system, a death star that will one day cause mass extinction on Earth . . .
Have you have considered the power potential of the human body? What about the energy stored in a raindrop? In this article I discuss five strange methods that could one day become an integral way that civilization generates electricity.
Sickle cell disease is painful for sufferers and can sometimes be dangerous. Genome editing may one day correct the mutation that causes the disorder.
Parasitic plants obtain their food or nutrients from another plant. The relationship may last for a long time, but sometimes the parasite kills its host.
Some chemicals in fungi can act as medicines for humans. Three of these chemicals are penicillin, lovastatin, and cyclosporine. Lentinan and eritadenine may also be medicinal.
Bleach has potent antimicrobial properties and is also able to remove stains from fabrics. It has many uses, but it's potentially dangerous.
Bacteria in the genus Yersinia have major effects on our lives. One species causes bubonic, septicemic, and pneumonic plague. Others cause foodborne illness. One may eventually help to treat cancer.
Narwhals are strange and fascinating Arctic whales. The males—and sometimes the females—have a very long tooth that grows through their lip, forming a tusk.
See pictures to help you identify the male and female Rose-breasted Grosbeak, plus learn facts about its migration and behavior.
Antibiotic resistance is becoming a very serious problem. Phage therapy—treatment with viruses that attack bacteria—may be the solution.
Recent advancements in the field of food processing and packaging have been focused on improving the quality and product shelf life. Edible packaging film is one such advancements that can meet many of the current problems. This article gives you the basic idea about edible films and coatings.
Irises are beautiful flowers that have a wide variety of colours. Some are used to make orris root, which has a lovely scent but can cause an allergic response.
Foxgloves are beautiful but poisonous flowers in the wild and in the garden. They contain digitalis, which is a useful heart medication but can also be dangerous.
This article looks at ten sandy beaches of extraordinary colour, what they are composed of and how they are formed, with illustrations of all ten
The safflower plant provides a useful vegetable and cosmetic oil and an attractive dye for textiles. A genetically engineered form of the plant can make insulin.
Dandelions have culinary benefits and also produce a latex that can be used to make rubber. This is important, since the supply of natural rubber is decreasing.
Naked mole-rats have a strange appearance and some very unusual features. Studying the rodents might help researchers to understand and treat human health problems.
Proteins in the body have essential jobs. They enable us to move, transport materials and signals, control chemical reactions, stop bleeding, and fight infections.
The Surinam toad has a strange, flattened body. During reproduction, the female’s skin absorbs the fertilized eggs and the young toads develop under her skin.
Mucus has vital functions, such as trapping germs in air passages and protecting the stomach lining from an acid attack. Excess mucus can cause health problems.
The Bird of Paradise is one of the most unique bird species on earth. The beauty of this bird is extraordinary. They are an example of evolutionary adaptation.
Earwax is made by the lining of the ear canal and has important functions. An adequate amount of wax is necessary, but too much can lead to impaction and pain.
Sardines and herring are nutritious foods. The behaviour of the living fish is interesting to study, however. They live in groups and communicate with their companions.
The mucus that covers fish has several functions, including protection from multiple dangers and serving as food for young fish. The substance may also be useful for us.
Learn why some birds fly south for the winter while others do not migrate, plus find out how they navigate such long distances and where they go.
Though we all know how to use the Pythagorean Theorem, few know of the many proofs that accompany this theorem. Many of them have ancient and surprising origins.
Svalbard reindeer live on an archipelago near mainland Norway. They are the smallest subspecies of reindeer. Research indicates that they are shrinking in size.
Some sharks produce beautiful patterns of light in a process called biofluorescence. The light emission may have important functions.
Rapamycin increases lifespan in mice, apparently by inhibiting a protein called mTOR. It may do the same in dogs and possibly in humans. It's currently being tested in pet dogs.
Bone marrow is an essential tissue. It contains stem cells that produce all of our blood cells. Bone marrow transplants are used to treat some serious diseases.
Chloroform can act an anesthetic, but it’s toxic and causes serious health problems. There are ways to limit our exposure to the chloroform in the environment.
An introduction to the most commonly used data structures in programming. This article focuses on trees and includes C++ code samples.
Cinnabar is a beautiful but toxic red mineral made of mercury (ll) sulfide. It’s used as a source of mercury and to make an artist's pigment called vermilion.
Moray eels and wolf eels have elongated bodies and live on the ocean bottom. They have each developed some very interesting and unusual body features and behaviours.
Puffins are most people’s favourite sea bird, and Scotland has plenty of great places to view them. Whether you are a visitor or native to Scotland, this article shows you where to go. And it’s filled with cute photos!
Cone snails use their venom to paralyze their prey. Although the venom is often dangerous for humans, it contains chemicals that have important medical uses.
A mycorrhiza is a beneficial association between a fungus and plant roots. Mycorrhizal fungi often form a communication network between trees. Some produce truffles.
The resins that some trees secrete when they're wounded can be useful for humans. Some are used as perfumes or medicines. Others have preserved ancient life forms.
This is only theory and not based on applied physics. I discuss this for the sake of expanding scientific thought on the subject of time.
The Himalayan blackberry is a beautiful plant in spring and summer. It produces delicious blackberries, but it's an invasive species and grows aggressively.
The human skeleton has vital functions. It provides support and protection, allows us to move, makes blood cells, and stores fatty acids and minerals.
Clostridium perfringens is a bacterium that can have big effects on humans. It's a common cause of foodborne illness and may cause multiple sclerosis.
New gold prospectors have a problem on their first gold club outing. They've heard about panning for gold, and maybe how to use recovery equipment, but on claim arrival finding a spot is a new story.
The frilled shark is a strange, deep water shark with a wide head, a huge mouth, and a long, eel-like body. It’s caught as bycatch and is near threatened.
Did an “Intelligent Designer” fine-tune the universe to make it just right for human life? No! Just the opposite. Evolution has fine tuned life to fit the universe.
Fishing cats are wild animals that feed primarily on fish and are at ease in water. Unfortunately, their population is in trouble due to habitat destruction.
Although human blood is usually red it may have a different color, which indicates the presence of a health problem. Animals have a wide variety of blood colors.
The rainbow eucalyptus is an unusual tree with a beautiful, multicoloured trunk. The trunk's colours change as the tree sheds strips of bark, creating living art.
The first of four basic guides to the night sky, and what can be seen with the naked eye or binoculars. This page identifies the many kinds of objects you can see when you look up at the night sky
Bumble bees have surprisingly capable brains. They can play a simple version of soccer and pull a string to get a reward. They may even experience optimism.
A solar flare in 1859 caused power spikes and disrupted the world's telegraph system. How much damage could a massive solar flare do to power and communications today?
Lichens are interesting organisms that are important in their environment and useful for humans. Some produce chemicals that are potentially dangerous for us, however.
Formic acid is found in the sprayed venom of some ants and the secretions of some stinging nettles. The acid is dangerous at high concentrations but has important uses.
The giant hogweed causes burns and blisters. Grapefruit juice interferes with many medicines. The chemicals that cause these effects are called furanocoumarins.