Disposable parts of plants mutate more quickly

Mutation rates are proposed to be a pragmatic balance struck between the harmful effects of mutations and the costs of suppressing them; this hypothesis predicts that longer-lived body parts and those that contribute to the ...

When the equinox gene appears, repair transitions into regrowth

When animals experience a large injury, such as the loss of a limb, the body immediately begins a wound healing response that includes sealing the wound site and repairing local damage. In many animals, including humans, ...

How can the salamander help fight degenerative disease?

Ever asked yourself why some animals can regenerate lost body parts, yet we can't grow back a limb? A new Australian research collaboration is offering a chance to solve this puzzle in the fight to cure degenerative diseases. ...

Let's talk about the elephant that wasn't in the room

Encounters with elephants are always memorable. My first meeting with a bull African elephant – face to face across a disconcertingly small and shallow waterhole during a walking safari in Zimbabwe – left me shaking so ...

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