Trees facilitate wildfires as a way to protect their habitat

Fire is often thought of something that trees should be protected from, but a new study suggests that some trees may themselves contribute to the likelihood of wildfires in order to promote their own abundance at the expense ...

Study: Evolutionary past may determine how we choose leaders

(PhysOrg.com) -- Why did Barack Obama win the US election and did the fact he is over six feet tall influence the voters? The authors of a paper published in Current Biology this month argue that due to 'a hangover from our ...

Infertility and the battle of the sexes

About 10% of all couples hoping for a baby have fertility problems. Environmentalists say pollution is to blame and psychiatrists point to our stressful lifestyles, but evolutionary biologist Dr. Oren Hasson of Tel Aviv University's ...

Sequencing effort to chart ants and their ecosystem

(PhysOrg.com) -- Nestled within the twisting fungus gardens of leaf-cutter ants exists a complex symbiotic web that has evolved over millions of years. Now, with the help of a major genomic sequencing grant from Roche Applied ...

A connected world gives viruses the edge

That's one conclusion from a new study that looked at how virulence evolves in parasites. The research examined whether parasites evolve to be more or less aggressive depending on whether they are closely connected to their ...

Scientists explore hormone evolution

(PhysOrg.com) -- New research techniques on animals living in the wild are helping scientists test long-held ideas about the role of hormones in survival, according to comments by Professor of Biology Jan Randall at the recent ...

The way of the digital dodo

(PhysOrg.com) -- The laser light glowed brilliant red, forming a moving line as it bounced information from the dodo’s bones back into the high-tech scanner sitting on a tripod on the Museum of Comparative Zoology’s (MCZ) ...

Why Don’t More Animals Change Their Sex

(PhysOrg.com) -- Most animals, like humans, have separate sexes — they are born, live out their lives and reproduce as one sex or the other. However, some animals live as one sex in part of their lifetime and then switch ...

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