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Science with Sam sleep

Health

Science with Sam: Why can’t we stay awake indefinitely?

We spend one-third of our lives asleep, but why is it so essential? In this episode, we explain the science of sleep and why we can’t stay awake indefinitely.

Video

Parasites may make dogs smell good to disease-spreading sandflies

Health

Parasites may make dogs smell good to disease-spreading sandflies

News

What is the placebo effect?

Definition

The placebo effect

How to spend a trillion dollars to fix climate change and end poverty

Life

How to spend a trillion dollars to fix climate change and end poverty

Features

heart-shaped electrocardiogram

Technology

Smart speakers could hear your heart beating from across the room

News

Contagious cancer may cause Tasmanian devils to become antisocial

Life

Contagious cancer may cause Tasmanian devils to become antisocial

News

fungus

Health

Potent new antifungal discovered in the microbiome of marine animals

News

cpr in zero gravity

Space

How-to guide for CPR in space may help treat astronaut cardiac arrest

News

mosquito

Health

Malaria parasite hides in human blood by changing how its genes work

News

Two people looking at each other

Humans

We may be able to tell someone's heart rate just by looking at them

Researchers asked volunteers to match an on-screen heart rate to videos of people's faces, and the participants were able to guess better than chance. It could be that this ability helps us judge other people's emotions

News

Health

Are pets at risk of getting covid-19 and can they spread it to people?

News

Health

Fatal cardiac arrests could be hiding opioid overdose deaths in the US

News

Health

Coronavirus: US has no cohesive plan to tackle massive second wave

News

Health

Lyme disease vaccine found to be safe and effective in clinical trial

News