Some animals, although they possess the cutest fur or the most beautiful colour, tend to be the most lethal killers. Often these beauties, should not be taken for granted, because their external beauty is screening a deadly force. Some of…
Read more
The lysosome is the cell’s digestive system. Found in nearly all eukaryotic cells, lysosomes are responsible for digesting macromolecules and other structures that enter the cell by endocytosis. It is a single membrane organelle that contains hydrolytic enzymes. Most cells…
Read more
Space may be the final frontier, but it is an unexplored frontier a bit closer to home that has long captured the imagination. In 1869, with the publication of “Twenty Thousand Leagues Under the Sea,” Jules Verne captured the imagination of…
Read more
Cell membrane, which was discovered during the 2nd half of the 19th century, can be defined simply as a biological membrane that separates the interior of all cells from the outside environment. It acts as both the defense line and…
Read more
What happens to spiders during winter Did you ever wonder where all the spiders go in the winter? (Excluding those little rascals you still find occasionally in your house!) Do they die? Do they hibernate? Do they just hide somewhere…
Read more
Many species other than humans have sex for pleasure. Although we can never know precisely what degree of pleasure is experienced, it is clear that sex serves for far more than just procreation. One of its greatest benefits may be…
Read more
Spontaneous generation is the debunked idea that life can, on a daily basis, arise from nonliving material. Abiogenesis attempts to explain how life on Earth began. In modern science, it is understood that living things arise from other living things….
Read more
Spiders webs are beginning to weave an intriguing new story of how they ensnare their prey. Capture of flying and crawling fodder may not just be a lucky accident – for the spider – but the result of an electrostatic…
Read more
It has long since been known that gorillas and homo sapiens are primates but a recent genome study suggests that humans and gorillas may be even closer than once thought. It is now thought that the human-gorilla chimp lineage split off about 10…
Read more
The order Sirenia contains dugongs, manatees and sea cows. There are two families containing four species in this order. There is a fifth extinct species of sirenian that are extinct. The four living species in the order of sirenia are…
Read more