Ancestor of arthropods had the mouth of a penis worm

Imagine a meter long worm with 12 stubby legs and matching sets of flaps running down the body. On the head is a large pair of spiny appendages used for grasping prey that transport victims into a circular mouth with several ...

Biophysicists discover how hydra opens its mouth

A team of biologists and physicists at UC San Diego has uncovered in detail the dynamic process that allows the multi-tentacle Hydra, a tiny freshwater animal distantly related to the sea anemone, to open and close its mouth.

Video: Why it hurts to eat hot peppers

You have probably had the burning sensation of eating a jalapeno or other tear-inducing pepper. What causes this painful fire in your mouth? The short answer is capsaicin. But what exactly is capsaicin? How does it work? ...

Poverty plays complex role in entrepreneurship for Indian women

Over a billion entrepreneurs in the world operate in subsistence economies, often living hand to mouth. Is there a relationship between such poverty and entrepreneurial activity? A new study in the Journal of Public Policy ...

Bass use body's swimming muscles to suck in food

Fish are power eaters. In many species, large muscles running along their backs and bellies provide bursts of speed for chasing down prey. Then, at the very instant they close in, they vacuum victims into their suddenly gaping ...

Graphene: A new tool for fighting cavities and gum disease?

Dental diseases, which are caused by the overgrowth of certain bacteria in the mouth, are among the most common health problems in the world. Now scientists have discovered that a material called graphene oxide is effective ...

Lighting up a new path for novel synthetic polio vaccine

Scientists from the UK and US are using technology that helped in the design of a new synthetic vaccine to combat the foot and mouth disease virus (FMDV) to now target the virus that causes polio. The synthetic vaccine that ...

Nanoscience makes your wine better

One sip of a perfectly poured glass of wine leads to an explosion of flavours in your mouth. Researchers at Aarhus University, Denmark, have now developed a nanosensor that can mimic what happens in your mouth when you drink ...

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