Gayle Newland, 25, has been convicted of three counts of sexual assault against a woman who had believed she was in a sexual relationship with a man. Newland’s case has thrown up some very thorny questions about gender and sexual consent – and about what, exactly, we are required by law to reveal to our sexual partners.

In Australian homes, reliable hot water supplies for taking showers or bathing the kids are taken for granted. But this has a significant cost – conventional hot water heaters can account for up to 30% of household energy use and can be significant carbon emitters.

One alternative is solar hot water, which can supply more than 90% of household hot water and reduce energy bills by 50-85%, as well as lowering carbon emissions.

There are countless parenting questions that science can’t answer: “is it gross to eat food my child spat out?”, “why do my kids hate wearing pants?” and, of course, “when they grow up, will my kids remember how much I loved them, or just that I made them wear pants?”.

Fortunately, there are some important parenting issues science can address. Here are five simple tips for raising healthy children based on scientific studies from the last 12 months,.

1. Dads can – and should – help with breastfeeding

This spring, the world learned of a newly discovered missing link between microbes and humans called Lokiarchaeota. The actual story is that the microbe Lokiarchaeota, discovered on the deep sea floor by a hydrothermal vent called Loki’s Castle, shares features with both bacteria and us. The spin is that this makes it a missing link between the two.

Imagine if you could ban a certain, easily replaceable food component and save thousands of lives as a result.

That’s the claim of new research that says a ban on trans fats in England could prevent 7,200 deaths between 2015 and 2020.

The problem is that industrial trans fats have already virtually disappeared from UK diets.

Individually, we use thousands of chemicals in our households and very few of us think about whether they are harming the environment. We often think about buying a “green” detergent to wash our clothes, but the simple act of shampooing and conditioning our hair, even with green products, results in more than 30 chemicals being washed into our sewers.

Despite our best efforts in the supermarket, our waste water treatment systems are well designed for removing most of these chemicals, as the majority are biodegradable. However, a number of household chemicals are difficult to remove and end up being discharged into our coastal environments and waterways.