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 Typical extended middle-class U.S. family from Indiana of Danish/German extraction. The woman in the lavender print dress is the 87-year-old great grandmother; her daughter, a 67-year-old grandmother, is next to her. They are surrounded by the third...

Why do humans have such a variety of appearances?

... to be able to recognise people who are part of your own group, even your own family. There are very special regions of the brain for ... recognise the facial differences there as you do in your own group. So that's one thing, we don't necessarily know how ...

A group of dinosaurs

Did dinosaurs live in herds?

... Chris - "Did dinosaurs live in herds, or on their own?" - So, were they lonesome dinosaurs, or sociable ... I want to know if dinosaurs lived as a herd or on their own, and how do we know that? Did dinosaurs live in herds, or on their own? Did dinosaurs live in herds? ...

Cannibal potatoes

Is it evolutionarily advantageous to be a cannibal?

... evolutionarily, is that if you're eating something of your own species, it can get all the same diseases that you can. ... it and lots of protein which will help you to build your own muscles up. But you could, if you're going to live a long ...

Chinese ritual wine server (guang) from 1100 BCE

How do we date ancient artefacts?

... ancient artefacts? For the answer, we turn to our very own resident expert and Naked Archaeologist Diana ... up, the Mayan civilisations did have a calendar of their own, the one that was post in last year and sometimes they ...

Christmas tree bauble

Why are scientists celebrating Christmas?

... could do better things in a group compared to just on our own. So I think that's maybe part of the reason we all join ...

Primates grooming

Why are there apes in the zoo?

... about 5 million years ago and we've all evolved in our own different ways since then. It's quite an interesting ...

Egyptian Tomb

What is the best preserved mummy?

... They would have preserved those separately in their own jars. And then the whole body would have been put into a ...

Snowy landscape with a group of early humans.

How different were ancient people to us today?

... question. So if we're talking about modern humans, our own species, we've been around for about 300,000 years. And ...

Neanderthal reconstruction

When did people start using names?

... the caveman like Fred Flintstone and look instead at our own species, homo sapiens. How did we first start to ...

Page from a hieroglyph dictionary

What did the Egyptians have against alphabets?

... you could also have hieroglyphs that would stand on their own as an individual object. so you can have a picture a ...

The Brain

Has the human brain developed at the same rate as the human body?

... the brain must've been like because the brain leaves its own imprint on the inside of the skull. Diana - Yes, that's ...

Human tooth

When did humans develop tooth decay?

... in pretty good shape. Much better, in fact, than even our own teeth. We have terrible teeth compared to hunter ...

Cottenham Chruch

Does religion have an evolutionary role?

... and then, as you say, once you start to understand your own mortality, it's very comforting to have an idea of an ...

A portrait of a neanderthal in a museum.

Why did neanderthals go extinct?

... projectile. So traditionally those are associated with our own species, modern humans, as having that ability to make ...