# 178: Science Highlights Daily | 2019-02-07

This is a curated articles about the latest discoveries in science and interesting articles tackling technology and society.

Recommended time between smear tests could increase thanks to HPV test: Clare Wilson

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A more sensitive way of screening for cervical cancer will be introduced in the UK this year, and could allow women to safely wait longer between tests

Bees can pass a simple maths test but they might just be cheating: Sam Wong

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A test appears to show that honeybees can do arithmetic, but there may be a simpler explanation for their success

Coastal catastrophe looms larger as sea level forecasts creep upwards: Michael Le Page

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Sea level rise estimates are moving upwards. There could be at least a 1.3 metre rise by 2100, which would spell disaster for coastal communities

It now costs more to make bitcoin than the cryptocurrency is worth:

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Producing a single bitcoin now costs $4060 on average, but it is currently valued at less than $3500

How Earth’s changing ecosystems may have driven human evolution: Michael Marshall

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The most detailed ever look at Earth's prehistoric climate suggests many habitats changed in the past 800,000 years – and this may be why we evolved big brains

Trump wants to end HIV infections by 2030 – here’s how to do it: Chelsea Whyte

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US president Donald Trump laid out a plan in his State of the Union address to end new HIV infections in the US by 2030 – and we may already have the tools to do it

The truth about generations: Why millennials aren’t special snowflakes: Amelia Tait

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We increasingly form opinions about people based on the generation they belong to, but these labels are often lacking in science

Deep-sea mining could wreck the last unexplored ecosystem on Earth: Olive Heffernan

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As mining firms begin tests to pick up metal ores from the Pacific seabed, we need rules to protect this unusual ecosystem, says Olive Heffernan

Gum disease and Alzheimer’s: Your questions answered: Debora MacKenzie

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People are questioning a landmark study suggesting that a bacterium involved in gum disease may also cause Alzheimer's. Here's what you need to know about the study

We may finally know what causes Alzheimer’s – and how to stop it: Debora MacKenzie

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Evidence is growing that a bacteria involved in gum disease causes Alzheimer's, raising hopes over new kinds of treatments that are currently undergoing testing