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The cuckoo, perhaps the best known parasite, is reared by foster parents. After it hatches the chick pushes its adoptive brothers and sisters out of the nest.

Dealing with parasites

... the afternoon.  And they will add a single egg of their own to the clutch, having first removed one of the host's own eggs and they do all this in 10 seconds.  They quickly ... eggs in the nest.  So by taking one out and adding her own, she keeps the clutch size, the number of eggs in the ...

Using heartbeats to read minds

... that it may be linked to how well you can monitor your own heartbeat. Punit Shah, lecturer and researcher at Anglia ... and King’s College London, got people to estimate their own heart rate - a measure of something called intraception, ... lines and you go ‘owh.’ Would this be a case of your own heartbeat increasing as a result of their sort of ...

Microfilaria of Loa loa

Parasites tricking the immune system

... Rick - Well, very much so. Every parasite has its own sort of strategy but the ones we've found repeatedly ... is to pretend that the parasite is a little bit like our own body. To do this, it recruits an interesting set of ... they exploit this by producing a molecule very like our own, which drives these regulatory T-cells and switches off ...

Ball-and-stick model of the salicylic acid molecule.

Making your own Aspirin

... that humans and possibly many other animals make their own anti-inflammatory chemicals. The person who's made that ... that you've discovered that humans make that are their own aspirin? Gwen - It's linked to the finding that salicylic ... you have a headache, don't take an aspirin - make your own! It seems that humans can manufacture their own Salicylic ...

Conus geographus hunting goby fish

Cone snails hunt with fast-acting insulin

... the insulin the cone snail makes is very different to its own insulin. So the snail makes its own insulin to regulate sugar levels in its own body but the insulin that it sprays into the water is ...

glacier

Listening to the heartbeat of the ocean

... we heard about earlier. All these animals make their own noise and then with the noise we create with ships passing by or with our own tools – for example, sonar where we sent pings in the ... or sonar is like sonar for bats or dolphins, we create our own source of sound like a loudspeaker; send the sound, get ...

Life drawing could improve your body image

Body concious? Life drawing could help

... somebody else naked, make you feel better about your own body? Viren - Well I think it's about embodiment.  So a ... they might provide a safe space in which to explore your own feelings about your own body in relation to other people, or just in relation to ...

Advances in cancer genetics

... of the damage we pick up over a lifetime, as well as our own unique tapestry of genetic variation and - in some cases ... saying, "Well, wait.  Let's look also at the person's own genes and get rid of the ones that were abnormal to begin ... it may be the way the person handles that drug in their own body.  And of course, that can be affected by lifestyle ...

Prof Jim Lupski - Genome sequencing

... our thinking a little bit. Kat:: And you've got your own personal experience of having your genome sequenced. Can ... enough, we did find that. But you know, sequencing your own genome and what are the potential ramifications, that's ... about moving forward, we know where to focus studies of my own disease. So, we made the mutations in animal models now ...

Libby Copeland's book The Lost Family.

The Lost Family: revelations from DNA tests

... to these databases, is it changing how we understand our own identities? Phil Sansom sat down with Libby for an ... over 400 emails from readers who wanted to tell me their own DNA testing stories. You know, "I tested it and this is ... things that we have to discover for ourselves. We find our own language for them. We find our own labels for them. We ...

Tree crickets turn leaves into baffles to make themselves sound louder by making a hole in the centre.

Crickets make leaf amplifiers

... by the females who can use them to identify males of their own species from other males and find the males. These tree ... aid that helps them be louder than they would be on their own. Chris - Really what do they do? Natasha - They make a ... this? Natasha - So between a cricket that singing on its own and one in an optimal baffle there's a four times change. ...

Butterfly fish, caught in Fiji as part of a marine research expedition.

Monitoring marine reserves

... why I went to Fiji in the first place, is that Fijians own their reefs.  So, just like you would own the land in your backyard and if somebody wanted to set ... in Fiji, they have to ask the permission of the people who own that reef.  And so, the Fijians have this custom called ...

Bottlenose dolphins

Chatty Dolphins

... very unusual signals, in that every animal develops its own specific sound early in life and then uses that to ... the animals really only responded when we copied their own signature whistle, but did not to all the control sounds. ... when it's quite young. So, does each dolphin create its own nickname in a way? Vincent - Yes, so one of the big ...

Cartoon of the brain

Food and mood

... bees, and other more primitive organisms that have their own gut microbiome. Kat -   We sort of hear a lot about the ... that they have developed capabilities of hacking into our own communication systems that are very elaborate that link ... those human programmes and modify them according to their own needs. Kat -   So, our gut bacteria could basically be ...

The cuckoo, perhaps the best known parasite, is reared by foster parents. After it hatches the chick pushes its adoptive brothers and sisters out of the nest.

Chuckling cuckoos have the last laugh

... in the nests of other species, so they don’t rear their own offspring, they foist this parental care onto other ... their defences are misdirected to concerns about their own safety. Stevie - I’m guessing then you went on a ... that they are paying attention to themselves and their own safety rather than inspecting the contents of their nest, ...

Epilepsy causes cyclooxygenase-mediated vasoconstriction leading to hypoxia in the cerebral cortex

Repairing Brains to treat Parkinson's Disease

... in is this so called idea of using the patient’s own cells to repair their own brain. Now that is a very attractive idea but there are a ... so now I’m going to make some dopamine cells from your own cells, your own genetic background, which gave you ...

NGC 6744 Galaxy

The Dark Universe

... matter exists... Catherine - So, let's think about our own Milky Way galaxy. So, we've got stars that are spinning around in our own Milky Way galaxy and you can look how fast they're moving ... If there wasn't a big halo of dark matter around our own Milky Way galaxy, all the stars would just simply fly out ...

A tree cricket calling from a baffle

Baffled: Crickets use tools to boost their song

... by the females who can use them to identify males of their own species from other males, and find the males.These tree ... aid that helps them be louder than they would be on their own. Chris - Really; what do they do? Natasha - They make a ... will be four times as loud as a cricket that’s on its own. Chris - This completely changes our view of insects, ...

Snapdragon

The snapdragon's tale

... discovered about that world. Kat - So in terms of your own work, what is your passion? What is your genetic ... or in a bud of a flower can turn themselves on their own into amazing structures. Not just humans but plants, ... how to do that? The plant has to do that somehow on its own. So, when you put a seed into the garden and that turns ...

Graffiti sperm

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 ...

A molecular model of a fragment of DNA

Gene Therapy to Treat a Defective Immune System

... donor so there is no mismatch.  We can use the child's own bone marrow. And if we have effective ways, which we do ... we can reconstitute their immunity using the patient's own cells. Chris -   So what is the technique? Adrian -   ... relatively safe and instead of the viruses taking their own viral genetic material into cells, they take the ...

Pacman

Pacman protein

... a signal - made by a gene called Rac-1 - that turns our own cells into the biological equivalent of a pacman ... to? Nasreen - So annually, we shed cells equivalent to our own body weight so that's a lot of cells and, of course, the ... get it. So what you're saying is that we are shedding our own body weights worth of cells every year but if we were to ...

Queen bee with attendants on a honeycomb

Battles Between Bee Sperm

... some of these proteins seem to be able to recognise none-own sperm and kill that sperm off in the female sexual ... Initially, it sounds weird that a liquid can recognise own from non-own or a simple cell like sperm cell will be able to do this, ...

David Willetts, Martyn Poliakoff, Mary Bownes

David Willetts' speech to the AAAS

... as a fellow by the most esteemed scientists in one’s own country is often the honour they cherish most – and ... effort exceeds that of any other country, including my own. Nevertheless I believe that we have some distinctive British strengths which complement your own. And I am confident that alongside the US, Britain is the ...

Vaccinia, a pox virus particle.

Triggering the immune system to attack tumours

... rashes, and organ damage.  But if we could trigger our own immune system to target a tumour, then we'd have a way to ... David K. -   What we do is we get the body's own defence mechanism, the immune system, to turn its sights ... healthy tissues get hit too. But if we could trigger our own immune system to target a tumour, then we’d have a way ...