Search
Why have sex?
... easier, and more efficient, if you could reproduce on your own? This is something of a puzzler to biologists, as ... it seems a no brainer. In asexual you can do it on your own as a strong independent organism and all of your ... female so, only half of them will be able to make their own babies. If it's a game of numbers, sooner or later team ...
The Hygiene Hypothesis, Part 3. Are Parasitic Worms Friend or Foe?
... aggressive or inappropriate responses and damages our own tissues in the process. We also learned how helminths ... getting out of hand and causing excessive damage to our own tissues. Mechanisms for this 'immune regulation' include ... that actively attempt to suppress it, purely to aid their own survival. Now, what happens when many of these infectious ...
How Massive can a Star be?
... stars, which have less than a tenth as much gas as our own Sun, to giant stars like Betelgeuse, with masses of ... planet like Jupiter, rather than a star that produces its own light. At the opposite end of the mass spectrum, if a gas ...
The Evolution of Love
... is the point? If the purpose is ultimately to further our own species, why bother with love? Now scientists at the Max ... finch 'speed dating' the birds were able to choose their own mates. Of those which formed partnerships, Ihle took ...
Watching a new species evolve
... on the island. This male bird was much larger and had its own unique song. They knew the bird must have come from one ... are fertile and can mate with other hybrids to form their own species. Although there are a few animal species that we ...
The better beetle parent dies younger
... the parents were removed, leaving the larvae to their own devices. This was the "bad" parent group. Larvae that ... of this this food they share with the larvae against their own needs to cover their personal cost of parenting. Paired ...
What is the purpose of sexual reproduction ?
... No mess, no fuss, just pure transmission of your own genetic material! Many primitive animals do it every day. ... in the gene pool allowing the transmission of 50% your own and 50% your partner's genes to your young. The point of ... of young we increase the chances of propagating our own genes successfully. What's Love got to do with it? OK. ...
Password Passed Down Before Hatching
... the egg. t's important for a Fairy-wren to recognise its own young because they are subject to parasitism by cuckoos - ... are added to the nest at a later stage than the wren's own eggs, they are therefore exposed to fewer incubation ...
Ant evolutionary conundrum
... face of evolution, because workers have to sacrifice their own opportunity to reproduce for the overall good of the ... several males, workers would still prefer to lay their own eggs. Chris - What is the actual status quo though? Does ...
Evolution Through the Looking Glass
... around it with animals and plants each having their own evolutionary niche. However, this view presents a bit of ... as they are known to kill offspring that aren't their own. So from a theoretical perspective, reproduction without ...
Back in time: Exhibit charts history of vertebrates
... Growing a backbone: Rise of the vertebrates and our very own Will Tingle went along for a spine-tingling preview… ... if I get this wrong. This looks awfully like a skull of my own. Jason - Yeah. This is a human skull and we have it in a ...
Sediba - Exploring Human Origins
... but with many features that are tantalisingly like our own. That block of stone was lying adjacent to a hole in ... biologists from any mammal. But to see it in our own lineage is incredibly exciting. The dentition, we begin ... then, it could be that sediba sits there on its own, it evolved some of the traits we've got for the very ...
Steve Jones - The Selfish Gene at 40
... its medium term impact. I should also say perhaps in my own defence that I didn't read the Origin of Species which I ... or eight cousins. The point was that he would destroy his own genome by drowning in the Thames. But if he saved eight ...
How does evolution produce new genes?
... gets hold of those chloroplasts and puts them into its own skin and keeps them alive so the slug can also use the ... from the algae in order to power those chloroplasts in its own cells, and the only way researchers think that could ...
Earliest human fossil found
... this jaw in terms of what we now understand about our own origins and our ancestor's origins? Bill - I think we can ... of the line leading directly to Homo sapiens , our own species, split off from a more primitive Lucy-like ...
The Cambridge Science Festival
... Jim - It's extremely popular. And we've got building your own fantasy seeds, which you can use to build various motifs ... them out, they're toasting them and we've even got our own tasting panel so they can try different mix and brands of ...
Creationism vs. Science
... Bible in evolutionary terms? Douglas Adams - who owed his own conversion to "radical atheism" from Christianity to an ... However, the realm of science has produced its own intriguing suggestions for creationism. Professor Martin ...
Are chickens and dinosaurs related?
We put Gontse's question to our very own Georgia Mills. Georgia - Well, the short answer there is ...
Altruism: would you risk your life for a stranger?
... examples of instances when an individual has risked their own life to save someone else. And although this may seem ...
China's satellites and Wales' trilobites
... the world's most important fossil deposits, almost on our own doorstep! Is China gearing up for conflict in space? And ...
'Talking' Plants
... Tech have found out that parasitic plants have their own special way of communicating with their hosts. Their ...
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 ...
Climate predicts religious beliefs
... the social glue hypothesis came to Carlos Botero in his own way. He was working at the National Evolutionary ...
Good beetle parents die younger
... published this week show that beetles can sacrifice their own fitness for the good of their offspring. Rosalind Davies ...
From fungi to beer: the evolution of yeast
Making your own sourdough bread starter may have been a big trend when ...