Humans shed genetic information everywhere they go

Humans shed genetic information everywhere they go
Researchers found DNA in beach sand, and even in air from rooms in which humans had been working. (Image: Getty)
The Economist
In the genetic age, ecologists’ jobs are made much easier by two things. One is that every organism carries its own chemical identity card, in the form of its genome. The second is that they drop these ID cards everywhere they go. Urine, bits of fur stuck to a hedge, even shed skin cells: all deposit DNA into the environment. Cheap gene sequencing allows scientists to harvest this “environmental DNA” (eDNA) from soil, sand, water and the like, and use it to keep track of which species are living where.“Every or...

More Technology

The big AI question: Are you ready to pay for it?
Technology

The big AI question: Are you ready to pay for it?

Consumers tempted to upgrade will find higher prices for AI-powered gadgets.

Tech solution to problem of subbies not being paid
Property

Tech solution to problem of subbies not being paid

He's shifting the way things have been done forever, tradie-turned-techie says.

Maria Slade 21 Jun 2024
Startup HealthNow raises $3.4m in oversubscribed first round
Technology

Startup HealthNow raises $3.4m in oversubscribed first round

The company has a novel platform for providing employee healthcare benefits.

Ben Moore 20 Jun 2024
More leading, less cheering needed in business development portfolio
Opinion

Peter Griffin: More leading, less cheering needed in business development portfolio

The government wants to double exports - but then cuts budgets. 

Peter Griffin 20 Jun 2024