Australasian Science - May 2016

4 | MAY 2016

CONTENTS

77

11

41

45

NEWS

6 Browse

A round­up of science news from our shores.

COLUMNS

5 Up Front

Can a sugar tax save us if obesity has already permanently suppressed

the satiety signals that tell us to stop eating?

40 Expert Opinion

A second case of gene editing of human embryos has unsuccessfully

attempted to introduce resistance to HIV infection.

41 Neuropsy

Donald Trump’s appeal to voters may be explained by a preference for

authoritarian anti­establishment leaders.

42 The Fit

Is there something uniquely unhealthy about sugar above and beyond

the excess calories?

43 The Fossil File

Australian museums don’t display any dinosaurs mounted from real

bones into a life­like position.

44 Directions

Australia’s total net CO 2 emissions are much lower than are implied by

published numbers.

45 Out of this World

Astronomers have found that Saturn’s moons may be younger than

the dinosaurs, and may have seen a “baby Earth” forming.

46 The Bitter Pill

Chiropractors claim that “functional neurology” can treat conditions

ranging from epilepsy and Alzheimer’s disease to autism and stroke, but

the technology they use isn’t up to the task.

47 The Naked Skeptic

Even people who are rational about most matters can hold opinions

that aren’t supported by science or even common sense.

48 EcoLogic

Inconsistent classification of species introduces systematic bias to

ecological studies.

49 Lowe Tech

Installations of solar and wind energy will need to maintain their pace to

ensure that electric vehicles aren’t powered by fossil fuels.

50 Quandary

Cases of sexual attraction are bound to grow as “genetic orphans”

seek out their missing parents.

51 Australasian Sky

Your map of the night sky this month.