Francisco Hernández En Personales

Comida tradicional mexicana: Pizza

¿Cuándo y dónde disfrutaste tu primera pizza? Yo puedo asegurar que la primera que alguna vez comí fue en Luigui’s Pizza…
Francisco Hernández En Salud y cuerpo humano

Does a human heart have a finite number of beats?

Yes. At an average of 80 beats per minute, most of us will manage less than four billion beats in our lives. But you don…
Francisco Hernández En Curiosidades

How fast can a housefly fly?

Not as fast as you think. They manage just 7km/hr – a brisk walking pace. They seem faster because they are very acrobat…
Francisco Hernández En Salud y cuerpo humano

Why do we have wisdom teeth?

We evolved from hominids that had longer jaws for chewing raw meat and plants. Extra molars are an advantage, but they d…
Francisco Hernández En

Can an organ be transplanted more than once?

Yes. Sometimes patients will receive heart or liver transplants but die anyway within a few weeks. In very rare cases, t…
Francisco Hernández En Salud y cuerpo humano

Why do we cover our mouths when startled or shocked?

Not to prevent our souls leaving our bodies, as some traditions would have it. The gasp which causes our mouths to open…
Francisco Hernández En Planeta Tierra

What caused the Big Bang?

The big bang is the moment that space and time (or ‘spacetime’) came into existence. Before the Big Bang there was no sp…

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