It’s normal to have recurring waves of grief after the loss of a loved one but prolonged, severe grief requires treatment, writes Richard Bryant.
Flooding risk is often used as an argument against greater environmental flows for the Murray-Darling, but graziers would benefit greatly from floods, writes Richard Kingsford.
A group of female dolphins has been learning from their mothers to use sponges to help catch fish for at least 180 years, a study has found.
If Tony Abbott wants to undo his damaged reputation with women, he needs to start in the right place. Simply calling himself a feminist will only lead to more trouble, argues Rob Brooks.
Surely it would be irresponsible to do anything but continue down the path of making cycling safer. Keeping helmets and building more cycleways is unquestionably the way to go, write Jake Olivier, Scott Walter and Raphael Grzebieta.
The combined effect of compulsory helmets for riders and providing cycleways and other infrastructure has reduced by about half the serious head-injuries associated with cycling in NSW.
Our memories – good or bad – form parts of our identities and simply removing aspects of our character may have serious consequences, writes Amy Reichelt.
Lowering Australia's legally allowed blood alcohol driving limit to .02 could save hundreds of lives each year, writes Soames Job.
A huge "forgotten" meteor 2.5 million years ago not only generated a massive tsunami across the Pacific but also may have plunged the world into the Ice Ages, a new UNSW study suggests.
Fast-flowing and narrow glaciers have the potential to trigger massive changes in the Antarctic ice sheet and contribute to rapid ice-sheet decay and sea-level rise, a new study has found.