Kimberly Riskas

Kimberly Riskas is an environmental scientist and science writer based in Melbourne.

Kimberly Riskas is an environmental scientist and science writer based in Melbourne.

  • Many killer whales may die from PCBs

    Populations at risk from chemical compounds banned decades ago.

    The world’s populations of killer whales (Orcinus orca) are projected to decline within a century because of contamin...

    September 27, 2018
  • Deep-water corals also bleaching badly

    Almost a quarter of corals damaged by heat spikes.

    Even the deep-water corals of Australia’s Great Barrier Reef are not safe from the damaging effects of rising ocean t...

    September 4, 2018
  • Botched ID discovery prompts lemur rethink

    Dental evidence suggests a new story for primates.

    Ancient dental records offer a radical new explanation for how Madagascar’s lemurs evolved. Scientists have long bel...

    August 21, 2018
  • Plankton virus affects cloud formation

    Plants have a direct influence on climate regulation.

    A species of marine phytoplankton that explodes after contracting a virus may play a role in regulating Earth’s clima...

    August 15, 2018
  • Photosynthesis fight has researchers seeing green

    Debate flares over study results.

    Earlier this year, a study published in the prestigious journal Science shook up the biology world by turning an acce...

    August 9, 2018
  • For naked mole-rats, breeding is longevity

    Mammals overturning a key element of evolutionary theory.

    Naked mole-rats that breed live longer than non-breeders of the species, defying the prevailing scientific view on re...

    August 2, 2018
  • Boning up on early skeletons

    X-ray analysis resolves a mystery about the origin of bone.

    Palaeontologists have identified the oldest known form of bone, solving a 160-year-old mystery about the evolution of...

    July 30, 2018
  • Dogs feel empathy for human suffering

    Dogs find it stressful when their owners are in distress.

    Dogs who hurry to comfort their owners may be doing so out of empathy, according to a study published in the journal ...

    July 24, 2018
  • Light-emitting fibres overcome deafness

    Rodent proof-of-concept points the way to promising new cochlear implant. Kimberly Riskas reports.

    Scientists have developed a light-stimulated cochlear implant that shows promise for restoring hearing in deaf people...

    July 11, 2018
  • Arterial traffic: microbots can deliver cargo in live animals

    Proof-of-concepts opens the way for robotic and targeted cell-specific therapies. Kimberly Riskas...

    A new type of microscopic robot may help revolutionise the way we treat damaged tissues, according to research from t...

    June 28, 2018
  • Coral “oases” bring hope of reef recovery

    Resilient patches may hold clues for endangered ecosystems.

    Identifying small coral “oases”, in which reefs are thriving against the odds, could help protect the imperilled mari...

    June 20, 2018
  • Bees understand the concept of zero

    Honeybees are remarkably numerate, research shows.

    Honey bees understand the numerical concept of zero, demonstrating a level of cognition not previously known to exist...

    June 7, 2018
  • Great Barrier Reef died and relocated five times

    Fossil study reveals reef moved to mitigate ocean, climate stress.

    The Great Barrier Reef died five times during the last ice age, regenerating each time in a new position. A new stud...

    May 28, 2018

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