Happy New Year from the Science Weekly team. There is no new episode this week as we all take a festive break. The team will be back with a new episode on Friday 10 January. Help support our independent journalism at theguardian.com/sciencepod

Happy Christmas from the Science Weekly team. There is no new episode this week as we all take a festive break. The team will be back with a new episode on Friday 10 January. Help support our independent journalism at theguardian.com/sciencepod

Happy Christmas from the Science Weekly team. There is no new episode this week as we all take a festive break. The team will be back with a new episode on Friday 10 January. Help support our independent journalism at theguardian.com/sciencepod

Happy Christmas from the Science Weekly team. There is no new episode this week as we all take a festive break. The team will be back with a new episode on Friday 10 January. Help support our independent journalism at theguardian.com/sciencepod

For the final science weekly of 2019 the Guardian’s Science team – Hannah Devlin, Ian Sample and Nicola Davis – talk through their top stories of the year including black holes, rebooted brains and seagulls. Help support our independent journalism at theguardian.com/sciencepod

For the final science weekly of 2019 the Guardian’s Science team – Hannah Devlin, Ian Sample and Nicola Davis – talk through their top stories of the year including black holes, rebooted brains and seagulls. Help support our independent journalism at theguardian.com/sciencepod

For the final science weekly of 2019 the Guardian’s Science team – Hannah Devlin, Ian Sample and Nicola Davis – talk through their top stories of the year including black holes, rebooted brains and seagulls. Help support our independent journalism at theguardian.com/sciencepod

Ketamine might sound like an unlikely candidate for treating addiction and depression. But a growing number of scientists believe the drug could help. In the second part of this Science Weekly mini series, Hannah Devlin speaks to another expert using ketamine in their work: a psychiatrist who has been conducting research on the use of ketamine for treating depression for several years. Help support our independent journalism at theguardian.com/sciencepod

Ketamine might sound like an unlikely candidate for treating addiction and depression. But a growing number of scientists believe the drug could help. In the second part of this Science Weekly mini series, Hannah Devlin speaks to another expert using ketamine in their work: a psychiatrist who has been conducting research on the use of ketamine for treating depression for several years. Help support our independent journalism at theguardian.com/sciencepod

Ketamine might sound like an unlikely candidate for treating addiction and depression. But a growing number of scientists believe the drug could help. In the second part of this Science Weekly mini series, Hannah Devlin speaks to another expert using ketamine in their work: a psychiatrist who has been conducting research on the use of ketamine for treating depression for several years. Help support our independent journalism at theguardian.com/sciencepod