ABC Science Online and triple j

Dry lightning and deja vu

Pee in the pool and spinning sperm

Your brain on music, with Daniel Levitin

Space elevators, black holes and time travel

Charges, cuts and stitches

Body temperature, blocked noses and itchy bites

Tired eyes and bush fires

Ice-cream headaches, hair and eye shape

Jet streams, killer pain and warm-weather wifi

Dr Karl answers some itchy questions

Dr Karl on triplej 2008-10-30

Dr Karl on triplej 2009-03-05

Inertia, apnoea and debt: the science of sleep

Dr Karl on triplej 2009-02-26

Dr Karl on triplej 2008-11-13

Mirages, tasty sex and shrinking stomachs

Sunscreen, psychosis and concentration

Dr Karl on triplej 2008-11-27

Dr Karl on triplej 2009-01-22

Dr Karl on triplej 2009-01-15

High high in the sky

Zero tides, man smell and stale bread

Dr Karl on triplej 2008-11-06

Goosebumps, orgasms and death

Sleep deprivation, bleach-addicted cats and farting dogs, with Sam Simmons

Dr Karl on triplej 2008-12-04

Space: shuttles, elevators and travel

Dr Karl on triplej 2008-11-20

Dr Karl - Science on Mornings 2008-10-09

Dr Karl - Science on Mornings 2008-10-16

Dr Karl on triplej 2009-02-19

Nipples, tonsils and quantum computers

Is soup a food or drink?

Itchy ankles, swelling cheeks and bellybutton fluff

Dr Karl - Science on Mornings 2008-09-11

Dr Karl - Science on Mornings 2008-08-21

Unmoving escalators, circumnavigating ash clouds and orange oranges

Green tomatoes, vegans and static shock

Salivating science with Dr Karl

Orgasms, biscuit dunking and billowing shower curtains

Dr Karl on triplej 2009-01-29

Dr Karl - Science on Mornings 2008-09-18

Absinth, alcohol and antibiotics

Clean scars, ear plugs and sobering exercise

Earbud headphones, jet-lag and funny trivial things

Cyclones, salt and car tyres

Dr Karl - Science on Mornings 2008-10-23

Upset apples, brain capacity and caffeine sickness

Dr Karl on triplej 2009-03-12

Celebrating 30 years of science talkback with Dr Karl