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Mathematically modeling HIV drug pharmacodynamics

Complete elimination of Human Immunodeficiency Virus (HIV) presents a challenge due to latent viral reservoirs within the body that can help re-establish infection. In a new paper, researchers propose a mathematical model that investigates the effects of drug parameters and dosing schedules on HIV latent reservoirs and viral load dynamics. more...

Shaping animal, vegetable and mineral

A new technique to grow any target shape from any starting shape has now been developed by researchers, outlines a new report. more...

Computer model unravels knotty problems in DNA

If you've ever tried to untangle a pair of earbuds, you'll understand how loops and cords can get twisted up. DNA can get tangled in the same way, and in some cases, has to be cut and reconnected to resolve the knots. Now a team of mathematicians, biologists and computer scientists has unraveled how E. coli bacteria can unlink tangled DNA by a local reconnection process. The math behind the research could have implications far beyond biology. more...

What is STEM education?

Everyone needs a good teacher -- including teachers. Two new studies show how digging deeper into what STEM education means and strategically designing online classrooms can enhance teaching science, technology, engineering, and math. more...

On a collision course with game theory

How do pedestrians behave in a large crowd? How do they avoid collisions? How can their paths be modeled? A new approach developed by mathematicians provides answers to these questions. more...

A beautiful wing design solution inspired by owl feathers

Researchers have formulated a mathematical solution that could help minimize noise, maximize aerodynamics in design of porous airfoils (2-D wings) to improve wind turbines and air vehicles. more...

The 3-D selfie has arrived

Computer scientists have solved a complex problem that has, until now, defeated experts in vision and graphics research. They have developed technology capable of producing 3-D facial reconstruction from a single 2-D image -- the 3-D selfie. People are queuing up to try it and so far, more than 400,000 users have had a go. more...

 

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The latest activity to be updated on this site is called "Estimating Angles" (Estimate the size of the given acute angles in degrees.).

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Vinculum

Vinculum

This activity comprises of five challenges each one requiring you to type in one more fraction than the previous challenge and each starting with a different fraction. The starting fractions are one tenth, one quarter, one third, one half and four sevenths.

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