To maintain workable diffusion distances, an organism must have many small cells instead of one large cell. So, an alien would be multi-celled if it is larger than a microbe. (We would not expect to find a light-years wide, single-celled organism like that portrayed in the original Star...
(Interestingly, Lombroso also thought that criminals must have a higher pain threshold than the average citizen because many of them have tattoos from prison. His (faulty) logic was that since criminals have tattoos, and tattoos are painful, then they must have a higher tolerance for pain.) ...
It has the distinctive torpedo-like body shape typical of open ocean sharks, with a conical, almost pointed snout, large dorsal and pectoral fins and a crescent-shaped tail. The body colour can vary, but is typically a dark grey-brown, although it generally looks black when viewed from abov...
Every team has a table set up at the draft venue called selection square, where team representatives stay in constant contact with executives at each club's headquarters. Now that you know the format of the draft and where it is, how does the process work when a team makes thei...
We had concrete proof of what, until now, had only been rumour: namely that thousands of dolphins are being killed by Peruvian fishermen who then cut them up and use them as bait for shark fishing.In marine conservation terms, that's a double catastrophe, with dolphins -- many species of...
These two dolphins have not interbred in many hundreds, and possibly thousands of years. The Indus River dolphin may have as few as 1000 individuals. The Ganges River Dolphin may have a couple thousand individuals; but there habitat is extremely threatened with dam building projects and pollution...
These two dolphins have not interbred in many hundreds, and possibly thousands of years. The Indus River dolphin may have as few as 1000 individuals. The Ganges River Dolphin may have a couple thousand individuals; but there habitat is extremely threatened with dam building projects and pollution...
This type of whale is the largest of the dolphin family. Humpback Whales Humpback whale or the Baleen whale that reaches adulthood can grow as long as 50 feet and can reach a weight of 36,000 kilograms. Its significant features are the unique body shape, elongated pectoral fins, and a ...
How does an ecosystem work? What makes the population of different species the way they are? Why are there so many flies and so few wolves? To find an answer, scientists have built mathematical models of food webs, noting who eats whom and how much each one eats. ...
How many times have you actually thought about your ankle strength? Unless you are rolling your ankles every time you go for a job or play basketball or walk down the sidewalk probably next to never. After all, we don’t often think of the ankles as something that we need to strengthen...