What (maybe) dictates men's sex drive? What can a smoky bar teach us about social distancing? Find out in ScienceSeeker's picks of the best posts for the week of Sept 7 - 13 2020 #SciSeekPicks #SciComm.

In this week's edition of the very best from science news around the world, explore how our unique vaccine responses affect vaccine design and testing, and travel to Mars to visit the ancient neighbours, who may have used sulphur as an energy source. ScienceSeeker editors' favourite posts within their respective areas of interest and expertise also cover many other important and exciting topics. Why not have a read, inform yourself, and indulge your scientific curiosity?

• Mens' sex drive may rise and fall due to one brain enzyme by Christopher Bergland for Psychology Today.

Male sexual desire may be driven by the brain's aromatase (CYP19A1) enzyme.
Credit: jazzmoon12 via Flickr (CC-BY 2.0)

• 5 ways our immune responses to COVID vaccines are unique by Paul Gill and Menno van Zelm for The Conversation US.
• What a smoky bar can teach us about the '6-foot rule' during the COVID-19 pandemic by Byron Erath, Andrea Ferro, Goodarz Ahmadi, and Suresh Dhaniyala for The Conversation UK.
• Education promotes cognitive reserve against dementia… but only if you’re white. by Justina Avila-Rieger for AlzScience.
• Mediterranean diet can improve glycaemic control in type 2 diabetes by Douglas Badenoch for The Diabetes Elf.
• Protein affects 10 billion blood cells a day by Vered Smith for Science Connected magazine.
• Early Martian life may have used sulfur as an energy source by Brooke Carruthers for Sciworthy.
• Podcast: How do we know what things in space are made from? by Allen Versfeld at The Urban Astronomer.
• New gravitational-lensing study hints at problems for dark matter models by John Timmer for Ars Technica.
• Path dependence and tipping points by Sabine Hossenfelder at Backreaction.
• One of quantum physics’ greatest paradoxes may have lost its leading explanation by George Musser for Science.
• A barcode of Earth’s climatic past by Cosmos magazine.
• Leftovers are a food-waste problem by Christopher Intagliata for Scientific American.
• Nectar robbery by short-tongued bees is throwing off delicate pollination cycles by Lila Westreich for Massive Science.
• You can't tell a chimpanzee's age by its gray hairs by Laura Martinez-Inigo for Massive Science.
• Mapping extreme microbes in the Amazon’s Boiling River by Attabey Rodriguez Benitez for Massive Science.
  
• Symbiotic fungi can save farm crops during droughts by Niko Carvajal Janke for Sciworthy.
• Today in chemistry history: August Kekulé and the structure of benzene by Andy Brunning for Compound Interest.
• Finding answers in the secretive carbon fibre industry by Miklos Bolza at Lab Down Under.

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Check back next week for more great picks!